Europe/Jersey

Time zone identifier: Europe/Jersey

Current civil offset: +00:00 (GMT)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1898-06-11

Local Mean Time (LMT): -00:08:26 based on geographic meridian

Total recorded transitions: 241 transitions across 4 distinct offsets

Associated countries: JE

Historical Offset Step Chart (1880 to Present)

Text summary: Europe/Jersey shifted between 4 distinct offsets from 1898-06-11 through the modern era.

Complete Transition History (241 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1898-06-11T16:00:00Z`	`1898-06-11 16:00:00`	-00:08:26 → +00:00	`GMT`	No	gap
`1916-05-21T02:00:00Z`	`1916-05-21 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1916-10-01T02:00:00Z`	`1916-10-01 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1917-04-08T02:00:00Z`	`1917-04-08 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1917-09-17T02:00:00Z`	`1917-09-17 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1918-03-24T02:00:00Z`	`1918-03-24 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1918-09-30T02:00:00Z`	`1918-09-30 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1919-03-30T02:00:00Z`	`1919-03-30 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1919-09-29T02:00:00Z`	`1919-09-29 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1920-03-28T02:00:00Z`	`1920-03-28 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1920-10-25T02:00:00Z`	`1920-10-25 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1921-04-03T02:00:00Z`	`1921-04-03 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1921-10-03T02:00:00Z`	`1921-10-03 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1922-03-26T02:00:00Z`	`1922-03-26 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1922-10-08T02:00:00Z`	`1922-10-08 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1923-04-22T02:00:00Z`	`1923-04-22 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1923-09-16T02:00:00Z`	`1923-09-16 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1924-04-13T02:00:00Z`	`1924-04-13 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1924-09-21T02:00:00Z`	`1924-09-21 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1925-04-19T02:00:00Z`	`1925-04-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1925-10-04T02:00:00Z`	`1925-10-04 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1926-04-18T02:00:00Z`	`1926-04-18 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1926-10-03T02:00:00Z`	`1926-10-03 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1927-04-10T02:00:00Z`	`1927-04-10 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1927-10-02T02:00:00Z`	`1927-10-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1928-04-22T02:00:00Z`	`1928-04-22 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1928-10-07T02:00:00Z`	`1928-10-07 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1929-04-21T02:00:00Z`	`1929-04-21 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1929-10-06T02:00:00Z`	`1929-10-06 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1930-04-13T02:00:00Z`	`1930-04-13 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1930-10-05T02:00:00Z`	`1930-10-05 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1931-04-19T02:00:00Z`	`1931-04-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1931-10-04T02:00:00Z`	`1931-10-04 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1932-04-17T02:00:00Z`	`1932-04-17 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1932-10-02T02:00:00Z`	`1932-10-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1933-04-09T02:00:00Z`	`1933-04-09 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1933-10-08T02:00:00Z`	`1933-10-08 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1934-04-22T02:00:00Z`	`1934-04-22 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1934-10-07T02:00:00Z`	`1934-10-07 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1935-04-14T02:00:00Z`	`1935-04-14 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1935-10-06T02:00:00Z`	`1935-10-06 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1936-04-19T02:00:00Z`	`1936-04-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1936-10-04T02:00:00Z`	`1936-10-04 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1937-04-18T02:00:00Z`	`1937-04-18 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1937-10-03T02:00:00Z`	`1937-10-03 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1938-04-10T02:00:00Z`	`1938-04-10 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1938-10-02T02:00:00Z`	`1938-10-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1939-04-16T02:00:00Z`	`1939-04-16 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1939-11-19T02:00:00Z`	`1939-11-19 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1940-02-25T02:00:00Z`	`1940-02-25 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1940-07-01T23:00:00Z`	`1940-07-02 01:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1942-11-02T01:00:00Z`	`1942-11-02 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1943-03-29T01:00:00Z`	`1943-03-29 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1943-10-04T01:00:00Z`	`1943-10-04 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1944-04-03T01:00:00Z`	`1944-04-03 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1944-10-02T01:00:00Z`	`1944-10-02 02:00:00`	+02:00 → +01:00	`CET`	No	overlap
`1945-04-02T01:00:00Z`	`1945-04-02 03:00:00`	+01:00 → +02:00	`CEST`	Yes	gap
`1945-05-07T22:00:00Z`	`1945-05-08 00:00:00`	+02:00 → +02:00	`BDST`	Yes	offset-only
`1945-07-15T01:00:00Z`	`1945-07-15 02:00:00`	+02:00 → +01:00	`BST`	Yes	overlap
`1945-10-07T02:00:00Z`	`1945-10-07 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1946-04-14T02:00:00Z`	`1946-04-14 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1946-10-06T02:00:00Z`	`1946-10-06 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1947-03-16T02:00:00Z`	`1947-03-16 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1947-04-13T01:00:00Z`	`1947-04-13 03:00:00`	+01:00 → +02:00	`BDST`	Yes	gap
`1947-08-10T01:00:00Z`	`1947-08-10 02:00:00`	+02:00 → +01:00	`BST`	Yes	overlap
`1947-11-02T02:00:00Z`	`1947-11-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1948-03-14T02:00:00Z`	`1948-03-14 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1948-10-31T02:00:00Z`	`1948-10-31 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1949-04-03T02:00:00Z`	`1949-04-03 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1949-10-30T02:00:00Z`	`1949-10-30 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1950-04-16T02:00:00Z`	`1950-04-16 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1950-10-22T02:00:00Z`	`1950-10-22 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1951-04-15T02:00:00Z`	`1951-04-15 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1951-10-21T02:00:00Z`	`1951-10-21 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1952-04-20T02:00:00Z`	`1952-04-20 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1952-10-26T02:00:00Z`	`1952-10-26 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1953-04-19T02:00:00Z`	`1953-04-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1953-10-04T02:00:00Z`	`1953-10-04 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1954-04-11T02:00:00Z`	`1954-04-11 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1954-10-03T02:00:00Z`	`1954-10-03 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1955-04-17T02:00:00Z`	`1955-04-17 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1955-10-02T02:00:00Z`	`1955-10-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1956-04-22T02:00:00Z`	`1956-04-22 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1956-10-07T02:00:00Z`	`1956-10-07 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1957-04-14T02:00:00Z`	`1957-04-14 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1957-10-06T02:00:00Z`	`1957-10-06 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1958-04-20T02:00:00Z`	`1958-04-20 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1958-10-05T02:00:00Z`	`1958-10-05 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1959-04-19T02:00:00Z`	`1959-04-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1959-10-04T02:00:00Z`	`1959-10-04 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1960-04-10T02:00:00Z`	`1960-04-10 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1960-10-02T02:00:00Z`	`1960-10-02 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1961-03-26T02:00:00Z`	`1961-03-26 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1961-10-29T02:00:00Z`	`1961-10-29 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1962-03-25T02:00:00Z`	`1962-03-25 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1962-10-28T02:00:00Z`	`1962-10-28 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1963-03-31T02:00:00Z`	`1963-03-31 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1963-10-27T02:00:00Z`	`1963-10-27 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1964-03-22T02:00:00Z`	`1964-03-22 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1964-10-25T02:00:00Z`	`1964-10-25 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1965-03-21T02:00:00Z`	`1965-03-21 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1965-10-24T02:00:00Z`	`1965-10-24 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1966-03-20T02:00:00Z`	`1966-03-20 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1966-10-23T02:00:00Z`	`1966-10-23 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1967-03-19T02:00:00Z`	`1967-03-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1967-10-29T02:00:00Z`	`1967-10-29 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1968-02-18T02:00:00Z`	`1968-02-18 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1968-10-26T23:00:00Z`	`1968-10-27 00:00:00`	+01:00 → +01:00	`BST`	No	offset-only
`1971-10-31T02:00:00Z`	`1971-10-31 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1972-03-19T02:00:00Z`	`1972-03-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1972-10-29T02:00:00Z`	`1972-10-29 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1973-03-18T02:00:00Z`	`1973-03-18 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1973-10-28T02:00:00Z`	`1973-10-28 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1974-03-17T02:00:00Z`	`1974-03-17 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1974-10-27T02:00:00Z`	`1974-10-27 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1975-03-16T02:00:00Z`	`1975-03-16 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1975-10-26T02:00:00Z`	`1975-10-26 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1976-03-21T02:00:00Z`	`1976-03-21 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1976-10-24T02:00:00Z`	`1976-10-24 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1977-03-20T02:00:00Z`	`1977-03-20 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1977-10-23T02:00:00Z`	`1977-10-23 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1978-03-19T02:00:00Z`	`1978-03-19 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1978-10-29T02:00:00Z`	`1978-10-29 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1979-03-18T02:00:00Z`	`1979-03-18 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1979-10-28T02:00:00Z`	`1979-10-28 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1980-03-16T02:00:00Z`	`1980-03-16 03:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1980-10-26T02:00:00Z`	`1980-10-26 02:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1981-03-29T01:00:00Z`	`1981-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1981-10-25T01:00:00Z`	`1981-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1982-03-28T01:00:00Z`	`1982-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1982-10-24T01:00:00Z`	`1982-10-24 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1983-03-27T01:00:00Z`	`1983-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1983-10-23T01:00:00Z`	`1983-10-23 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1984-03-25T01:00:00Z`	`1984-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1984-10-28T01:00:00Z`	`1984-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1985-03-31T01:00:00Z`	`1985-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1985-10-27T01:00:00Z`	`1985-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1986-03-30T01:00:00Z`	`1986-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1986-10-26T01:00:00Z`	`1986-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1987-03-29T01:00:00Z`	`1987-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1987-10-25T01:00:00Z`	`1987-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1988-03-27T01:00:00Z`	`1988-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1988-10-23T01:00:00Z`	`1988-10-23 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1989-03-26T01:00:00Z`	`1989-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1989-10-29T01:00:00Z`	`1989-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1990-03-25T01:00:00Z`	`1990-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1990-10-28T01:00:00Z`	`1990-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1991-03-31T01:00:00Z`	`1991-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1991-10-27T01:00:00Z`	`1991-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1992-03-29T01:00:00Z`	`1992-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1992-10-25T01:00:00Z`	`1992-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1993-03-28T01:00:00Z`	`1993-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1993-10-24T01:00:00Z`	`1993-10-24 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1994-03-27T01:00:00Z`	`1994-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1994-10-23T01:00:00Z`	`1994-10-23 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1995-03-26T01:00:00Z`	`1995-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1995-10-22T01:00:00Z`	`1995-10-22 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1996-03-31T01:00:00Z`	`1996-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1996-10-27T01:00:00Z`	`1996-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1997-03-30T01:00:00Z`	`1997-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1997-10-26T01:00:00Z`	`1997-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1998-03-29T01:00:00Z`	`1998-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1998-10-25T01:00:00Z`	`1998-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`1999-03-28T01:00:00Z`	`1999-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`1999-10-31T01:00:00Z`	`1999-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2000-03-26T01:00:00Z`	`2000-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2000-10-29T01:00:00Z`	`2000-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2001-03-25T01:00:00Z`	`2001-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2001-10-28T01:00:00Z`	`2001-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2002-03-31T01:00:00Z`	`2002-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2002-10-27T01:00:00Z`	`2002-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2003-03-30T01:00:00Z`	`2003-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2003-10-26T01:00:00Z`	`2003-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2004-03-28T01:00:00Z`	`2004-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2004-10-31T01:00:00Z`	`2004-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2005-03-27T01:00:00Z`	`2005-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2005-10-30T01:00:00Z`	`2005-10-30 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2006-03-26T01:00:00Z`	`2006-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2006-10-29T01:00:00Z`	`2006-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2007-03-25T01:00:00Z`	`2007-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2007-10-28T01:00:00Z`	`2007-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2008-03-30T01:00:00Z`	`2008-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2008-10-26T01:00:00Z`	`2008-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2009-03-29T01:00:00Z`	`2009-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2009-10-25T01:00:00Z`	`2009-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2010-03-28T01:00:00Z`	`2010-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2010-10-31T01:00:00Z`	`2010-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2011-03-27T01:00:00Z`	`2011-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2011-10-30T01:00:00Z`	`2011-10-30 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2012-03-25T01:00:00Z`	`2012-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2012-10-28T01:00:00Z`	`2012-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2013-03-31T01:00:00Z`	`2013-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2013-10-27T01:00:00Z`	`2013-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2014-03-30T01:00:00Z`	`2014-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2014-10-26T01:00:00Z`	`2014-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2015-03-29T01:00:00Z`	`2015-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2015-10-25T01:00:00Z`	`2015-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2016-03-27T01:00:00Z`	`2016-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2016-10-30T01:00:00Z`	`2016-10-30 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2017-03-26T01:00:00Z`	`2017-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2017-10-29T01:00:00Z`	`2017-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2018-03-25T01:00:00Z`	`2018-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2018-10-28T01:00:00Z`	`2018-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2019-03-31T01:00:00Z`	`2019-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2019-10-27T01:00:00Z`	`2019-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2020-03-29T01:00:00Z`	`2020-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2020-10-25T01:00:00Z`	`2020-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2021-03-28T01:00:00Z`	`2021-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2021-10-31T01:00:00Z`	`2021-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2022-03-27T01:00:00Z`	`2022-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2022-10-30T01:00:00Z`	`2022-10-30 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2023-03-26T01:00:00Z`	`2023-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2023-10-29T01:00:00Z`	`2023-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2024-03-31T01:00:00Z`	`2024-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2024-10-27T01:00:00Z`	`2024-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2025-03-30T01:00:00Z`	`2025-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2025-10-26T01:00:00Z`	`2025-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2026-03-29T01:00:00Z`	`2026-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2026-10-25T01:00:00Z`	`2026-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2027-03-28T01:00:00Z`	`2027-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2027-10-31T01:00:00Z`	`2027-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2028-03-26T01:00:00Z`	`2028-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2028-10-29T01:00:00Z`	`2028-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2029-03-25T01:00:00Z`	`2029-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2029-10-28T01:00:00Z`	`2029-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2030-03-31T01:00:00Z`	`2030-03-31 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2030-10-27T01:00:00Z`	`2030-10-27 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2031-03-30T01:00:00Z`	`2031-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2031-10-26T01:00:00Z`	`2031-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2032-03-28T01:00:00Z`	`2032-03-28 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2032-10-31T01:00:00Z`	`2032-10-31 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2033-03-27T01:00:00Z`	`2033-03-27 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2033-10-30T01:00:00Z`	`2033-10-30 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2034-03-26T01:00:00Z`	`2034-03-26 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2034-10-29T01:00:00Z`	`2034-10-29 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2035-03-25T01:00:00Z`	`2035-03-25 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2035-10-28T01:00:00Z`	`2035-10-28 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2036-03-30T01:00:00Z`	`2036-03-30 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2036-10-26T01:00:00Z`	`2036-10-26 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap
`2037-03-29T01:00:00Z`	`2037-03-29 02:00:00`	+00:00 → +01:00	`BST`	Yes	gap
`2037-10-25T01:00:00Z`	`2037-10-25 01:00:00`	+01:00 → +00:00	`GMT`	No	overlap

Notes from the Maintainers

Source: backzone (Lines 1393 to 1398)

Jersey
Data from Joseph S. Myers
https://mm.icann.org/pipermail/tz/2013-September/019883.html
References to be added
LMT is for Parish Church, St. Helier, 49° 11' 0.57" N, 2° 6' 24.33" W.

Years on Record

Methodology Note: The 1970 Rule

tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.