| Current: | CET — Central European Time |
|---|---|
| Next Change: | CEST — Central European Summer Time |
| Current Offset: | UTC/GMT +1 hour |
| Difference: | 7 hours ahead of Chicago |
1921 Time Zones - Vienna
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above shows that there is no clock change in Vienna during 1921.
Time Changes in Vienna Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 1900 — 1915 | No changes, UTC +1 hour all of the period | |||
| 1916 | Sun, Apr 30 at 11:00 pm | CET → CEST | +1 hour (DST start) | UTC+2h |
| Sun, Oct 1 at 1:00 am | CEST → CET | -1 hour (DST end) | UTC+1h | |
| 1917 | Mon, Apr 16 at 2:00 am | CET → CEST | +1 hour (DST start) | UTC+2h |
| Mon, Sep 17 at 3:00 am | CEST → CET | -1 hour (DST end) | UTC+1h | |
| 1918 | Mon, Apr 15 at 2:00 am | CET → CEST | +1 hour (DST start) | UTC+2h |
| Mon, Sep 16 at 3:00 am | CEST → CET | -1 hour (DST end) | UTC+1h | |
| 1919 | No changes, UTC +1 hour all of the period | |||
| 1920 | Mon, Apr 5 at 2:00 am | CET → CEST | +1 hour (DST start) | UTC+2h |
| Mon, Sep 13 at 3:00 am | CEST → CET | -1 hour (DST end) | UTC+1h | |
| 1921 — 1924 | No changes, UTC +1 hour all of the period | |||
| * All times are local Vienna time. | ||||
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Vienna
Austria
8:38
11
am
Friday, December 19, 2025