DST of Formosa in 2025
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
No time zone changes for Formosa in 2025
DST of Formosa Over Years
| Year | Commences | Abbreviations | Time Change | Offset After |
| 1940 | 02-29, Thu 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0400 |
| 07-01, Mon 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0300 | |
| 1941 | 06-14, Sat 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0400 |
| 10-15, Wed 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0300 | |
| 1942 - 1942 | No changes, UTC-0400 all of the period | |||
| 1943 | 07-31, Sat 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0400 |
| 10-15, Fri 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0300 | |
| 1944 - 1945 | No changes, UTC-0400 all of the period | |||
| 1946 | 02-28, Thu 23:00 |
ARST -> ART | 1 hour backward (end of DST) | UTC-0400 |
| 10-01, Tue 01:00 |
ART -> ARST | 1 hour forward (start of DST) | UTC-0300 | |
| 1947 - 1949 | No changes, UTC-0400 all of the period | |||
