| Current: | CDT — Central Daylight Time |
|---|---|
| Next Change: | CST — Central Standard Time |
| Current Offset: | UTC/GMT -5 hours |
| Difference: | 1 hour behind Washington DC |
2025 Time Zones - O'Neill Historical Marker
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in O'Neill Historical Marker during 2025.
Time Changes in O'Neill Historical Marker 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 |
|---|---|---|---|---|
| 2024 | Sun, Mar 10 at 2:00 am | CST → CDT | +1 hour (DST start) | UTC-5h |
| Sun, Nov 3 at 2:00 am | CDT → CST | -1 hour (DST end) | UTC-6h | |
| 2025 | Sun, Mar 9 at 2:00 am | CST → CDT | +1 hour (DST start) | UTC-5h |
| Sun, Nov 2 at 2:00 am | CDT → CST | -1 hour (DST end) | UTC-6h | |
| 2026 | Sun, Mar 8 at 2:00 am | CST → CDT | +1 hour (DST start) | UTC-5h |
| Sun, Nov 1 at 2:00 am | CDT → CST | -1 hour (DST end) | UTC-6h | |
| 2027 | Sun, Mar 14 at 2:00 am | CST → CDT | +1 hour (DST start) | UTC-5h |
| Sun, Nov 7 at 2:00 am | CDT → CST | -1 hour (DST end) | UTC-6h | |
| 2028 | Sun, Mar 12 at 2:00 am | CST → CDT | +1 hour (DST start) | UTC-5h |
| Sun, Nov 5 at 2:00 am | CDT → CST | -1 hour (DST end) | UTC-6h | |
| * All times are local O'Neill Historical Marker time. Next time change is highlighted. | ||||
Data for the years before 1970 is not available for O'Neill Historical Marker, however, we have earlier time zone history for Chicago available.
More Information
Time Zone Tools
- Meeting Planner - Find a suitable time for an international meeting.
- Time Zone Converter - If it is 3 pm in New York, what time is it in Sydney?
- Event Time Announcer/Fixed Time - Show local times worldwide for your event.
O'Neill Historical Marker
USA
3:4515am
Thursday, March 20, 2025