America/Dawson_Creek

Time zone identifier: America/Dawson_Creek

Current civil offset: -07:00 (MST)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1884-01-01

Local Mean Time (LMT): -08:00:56 based on geographic meridian

Total recorded transitions: 58 transitions across 3 distinct offsets

Associated countries: CA

Historical Offset Step Chart (1880 to Present)

Text summary: America/Dawson_Creek shifted between 3 distinct offsets from 1884-01-01 through the modern era.

Complete Transition History (58 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1884-01-01T08:00:56Z`	`1884-01-01 00:00:56`	-08:00:56 → -08:00	`PST`	No	gap
`1918-04-14T10:00:00Z`	`1918-04-14 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1918-10-27T09:00:00Z`	`1918-10-27 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1942-02-09T10:00:00Z`	`1942-02-09 03:00:00`	-08:00 → -07:00	`PWT`	Yes	gap
`1945-08-14T23:00:00Z`	`1945-08-14 16:00:00`	-07:00 → -07:00	`PPT`	Yes	offset-only
`1945-09-30T09:00:00Z`	`1945-09-30 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1947-04-27T10:00:00Z`	`1947-04-27 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1947-09-28T09:00:00Z`	`1947-09-28 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1948-04-25T10:00:00Z`	`1948-04-25 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1948-09-26T09:00:00Z`	`1948-09-26 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1949-04-24T10:00:00Z`	`1949-04-24 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1949-09-25T09:00:00Z`	`1949-09-25 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1950-04-30T10:00:00Z`	`1950-04-30 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1950-09-24T09:00:00Z`	`1950-09-24 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1951-04-29T10:00:00Z`	`1951-04-29 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1951-09-30T09:00:00Z`	`1951-09-30 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1952-04-27T10:00:00Z`	`1952-04-27 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1952-09-28T09:00:00Z`	`1952-09-28 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1953-04-26T10:00:00Z`	`1953-04-26 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1953-09-27T09:00:00Z`	`1953-09-27 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1954-04-25T10:00:00Z`	`1954-04-25 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1954-09-26T09:00:00Z`	`1954-09-26 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1955-04-24T10:00:00Z`	`1955-04-24 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1955-09-25T09:00:00Z`	`1955-09-25 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1956-04-29T10:00:00Z`	`1956-04-29 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1956-09-30T09:00:00Z`	`1956-09-30 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1957-04-28T10:00:00Z`	`1957-04-28 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1957-09-29T09:00:00Z`	`1957-09-29 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1958-04-27T10:00:00Z`	`1958-04-27 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1958-09-28T09:00:00Z`	`1958-09-28 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1959-04-26T10:00:00Z`	`1959-04-26 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1959-09-27T09:00:00Z`	`1959-09-27 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1960-04-24T10:00:00Z`	`1960-04-24 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1960-09-25T09:00:00Z`	`1960-09-25 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1961-04-30T10:00:00Z`	`1961-04-30 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1961-09-24T09:00:00Z`	`1961-09-24 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1962-04-29T10:00:00Z`	`1962-04-29 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1962-10-28T09:00:00Z`	`1962-10-28 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1963-04-28T10:00:00Z`	`1963-04-28 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1963-10-27T09:00:00Z`	`1963-10-27 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1964-04-26T10:00:00Z`	`1964-04-26 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1964-10-25T09:00:00Z`	`1964-10-25 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1965-04-25T10:00:00Z`	`1965-04-25 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1965-10-31T09:00:00Z`	`1965-10-31 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1966-04-24T10:00:00Z`	`1966-04-24 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1966-10-30T09:00:00Z`	`1966-10-30 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1967-04-30T10:00:00Z`	`1967-04-30 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1967-10-29T09:00:00Z`	`1967-10-29 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1968-04-28T10:00:00Z`	`1968-04-28 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1968-10-27T09:00:00Z`	`1968-10-27 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1969-04-27T10:00:00Z`	`1969-04-27 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1969-10-26T09:00:00Z`	`1969-10-26 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1970-04-26T10:00:00Z`	`1970-04-26 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1970-10-25T09:00:00Z`	`1970-10-25 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1971-04-25T10:00:00Z`	`1971-04-25 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1971-10-31T09:00:00Z`	`1971-10-31 01:00:00`	-07:00 → -08:00	`PST`	No	overlap
`1972-04-30T10:00:00Z`	`1972-04-30 03:00:00`	-08:00 → -07:00	`PDT`	Yes	gap
`1972-08-30T09:00:00Z`	`1972-08-30 02:00:00`	-07:00 → -07:00	`MST`	No	offset-only

Notes from the Maintainers

Source: northamerica (Lines 2128 to 2131)

Temporary hack; see above.
End of temporary hack.

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.