Oct 5, 2025, 2:00 am
| Start DST: | Monday, January 1, 1917 — 1 hour forward |
|---|---|
| End DST: | Sunday, March 25, 1917 — 1 hour backward |
Jan 1
Forward 1 hour
Jan 1, 1917 - Daylight Saving Time Started
When local standard time was about to reach
Monday, January 1, 1917, 12:01:00 am clocks were turned forward 1 hour to
Monday, January 1, 1917, 1:01:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Jan 1, 1917 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
Australia & New Zealand Start DST
Mar 25
Back 1 hour
Mar 25, 1917 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, March 25, 1917, 2:00:00 am clocks were turned backward 1 hour to
Sunday, March 25, 1917, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Mar 25, 1917 than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
More info:
Australia & New Zealand Start DST
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST Start (Clock Forward) | DST End (Clock Backward) |
|---|---|---|
| 1900 — 1916 | DST not observed | |
| 1917 | Monday, January 1, 12:01 am | Sunday, March 25, 2:00 am |
| 1918 — 1924 | DST not observed | |
| All times are local for Sydney. | ||