America/El_Salvador

Time zone identifier: America/El_Salvador

Current civil offset: -06:00 (CST)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1921-01-01

Local Mean Time (LMT): -05:56:48 based on geographic meridian

Total recorded transitions: 5 transitions across 3 distinct offsets

Associated countries: SV

Historical Offset Step Chart (1880 to Present)

Text summary: America/El_Salvador shifted between 3 distinct offsets from 1921-01-01 through the modern era.

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1921-01-01T05:56:48Z`	`1920-12-31 23:56:48`	-05:56:48 → -06:00	`CST`	No	overlap
`1987-05-03T06:00:00Z`	`1987-05-03 01:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1987-09-27T05:00:00Z`	`1987-09-26 23:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1988-05-01T06:00:00Z`	`1988-05-01 01:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1988-09-25T05:00:00Z`	`1988-09-24 23:00:00`	-05:00 → -06:00	`CST`	No	overlap

Source: northamerica (Lines 3545 to 3547)

There are too many San Salvadors elsewhere, so use America/El_Salvador
instead of America/San_Salvador.
Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]

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