Historically distinct IANA time zone
America/Dawson_Creek
- Countries
- Canada
- GPS reference
- 55.77° N, 120.23° W
- Data source
- IANA northamerica
- Aliases
- None
CanadaMST - BC (Dawson Cr, Ft St John)
Geographic context
Where this clock belongs
The map marks the IANA reference location and associated country, not a time-zone boundary.
GPS reference: 55.77° N, 120.23° W. Associated countries: CA.
The Wikipedia link provides additional context; it is not evidence for a historical claim. Transition data comes from the IANA source file.
Notes from the time database
The story behind the clock
These source notes describe a period or rule. They do not, by themselves, establish a causal claim for a particular clock change.
War
War
Peace
Peace
Original IANA source file: northamerica.
A shared present
Same clock today, different past
These nearby zones follow the same current annual pattern, yet retain their own historical record.
Civil-time record
Recorded changes over time
From 1884 to 1972 · 58 recorded transitions
Recurring daylight-saving changes are grouped separately when JavaScript is available.
Notable changes
One-off changes and transitions outside the recurring seasonal rhythm.
- -08:00 · PSTStandard time applies
- -07:00 · PDTDaylight saving time begins
- -08:00 · PSTStandard time applies
- -07:00 · PWTDaylight saving time begins
- -07:00 · PPTDaylight saving time begins
- -08:00 · PSTStandard time applies
Browse every recorded transition
| Local time after transition | Offset after | Abbreviation | Rule |
|---|---|---|---|
| 1884-01-01 00:00 | -08:00 | PST | Standard time |
| 1918-04-14 03:00 | -07:00 | PDT | Daylight saving time |
| 1918-10-27 01:00 | -08:00 | PST | Standard time |
| 1942-02-09 03:00 | -07:00 | PWT | Daylight saving time |
| 1945-08-14 16:00 | -07:00 | PPT | Daylight saving time |
| 1945-09-30 01:00 | -08:00 | PST | Standard time |
| 1947-04-27 03:00 | -07:00 | PDT | Daylight saving time |
| 1947-09-28 01:00 | -08:00 | PST | Standard time |
| 1948-04-25 03:00 | -07:00 | PDT | Daylight saving time |
| 1948-09-26 01:00 | -08:00 | PST | Standard time |
| 1949-04-24 03:00 | -07:00 | PDT | Daylight saving time |
| 1949-09-25 01:00 | -08:00 | PST | Standard time |
| 1950-04-30 03:00 | -07:00 | PDT | Daylight saving time |
| 1950-09-24 01:00 | -08:00 | PST | Standard time |
| 1951-04-29 03:00 | -07:00 | PDT | Daylight saving time |
| 1951-09-30 01:00 | -08:00 | PST | Standard time |
| 1952-04-27 03:00 | -07:00 | PDT | Daylight saving time |
| 1952-09-28 01:00 | -08:00 | PST | Standard time |
| 1953-04-26 03:00 | -07:00 | PDT | Daylight saving time |
| 1953-09-27 01:00 | -08:00 | PST | Standard time |
| 1954-04-25 03:00 | -07:00 | PDT | Daylight saving time |
| 1954-09-26 01:00 | -08:00 | PST | Standard time |
| 1955-04-24 03:00 | -07:00 | PDT | Daylight saving time |
| 1955-09-25 01:00 | -08:00 | PST | Standard time |
| 1956-04-29 03:00 | -07:00 | PDT | Daylight saving time |
| 1956-09-30 01:00 | -08:00 | PST | Standard time |
| 1957-04-28 03:00 | -07:00 | PDT | Daylight saving time |
| 1957-09-29 01:00 | -08:00 | PST | Standard time |
| 1958-04-27 03:00 | -07:00 | PDT | Daylight saving time |
| 1958-09-28 01:00 | -08:00 | PST | Standard time |
| 1959-04-26 03:00 | -07:00 | PDT | Daylight saving time |
| 1959-09-27 01:00 | -08:00 | PST | Standard time |
| 1960-04-24 03:00 | -07:00 | PDT | Daylight saving time |
| 1960-09-25 01:00 | -08:00 | PST | Standard time |
| 1961-04-30 03:00 | -07:00 | PDT | Daylight saving time |
| 1961-09-24 01:00 | -08:00 | PST | Standard time |
| 1962-04-29 03:00 | -07:00 | PDT | Daylight saving time |
| 1962-10-28 01:00 | -08:00 | PST | Standard time |
| 1963-04-28 03:00 | -07:00 | PDT | Daylight saving time |
| 1963-10-27 01:00 | -08:00 | PST | Standard time |
| 1964-04-26 03:00 | -07:00 | PDT | Daylight saving time |
| 1964-10-25 01:00 | -08:00 | PST | Standard time |
| 1965-04-25 03:00 | -07:00 | PDT | Daylight saving time |
| 1965-10-31 01:00 | -08:00 | PST | Standard time |
| 1966-04-24 03:00 | -07:00 | PDT | Daylight saving time |
| 1966-10-30 01:00 | -08:00 | PST | Standard time |
| 1967-04-30 03:00 | -07:00 | PDT | Daylight saving time |
| 1967-10-29 01:00 | -08:00 | PST | Standard time |
| 1968-04-28 03:00 | -07:00 | PDT | Daylight saving time |
| 1968-10-27 01:00 | -08:00 | PST | Standard time |
| 1969-04-27 03:00 | -07:00 | PDT | Daylight saving time |
| 1969-10-26 01:00 | -08:00 | PST | Standard time |
| 1970-04-26 03:00 | -07:00 | PDT | Daylight saving time |
| 1970-10-25 01:00 | -08:00 | PST | Standard time |
| 1971-04-25 03:00 | -07:00 | PDT | Daylight saving time |
| 1971-10-31 01:00 | -08:00 | PST | Standard time |
| 1972-04-30 03:00 | -07:00 | PDT | Daylight saving time |
| 1972-08-30 02:00 | -07:00 | MST | Standard time |