| Current: | MST — Mountain Standard Time |
|---|---|
| Next Change: | MDT — Mountain Daylight Time |
| Current Offset: | UTC/GMT -7 hours |
| Difference: | 2 hours behind Columbus |
2026 Time Zones - Longmont
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Longmont during 2026.
Time Changes in Longmont 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 |
|---|---|---|---|---|
| 2025 | Sun, Mar 9 at 2:00 am | MST → MDT | +1 hour (DST start) | UTC-6h |
| Sun, Nov 2 at 2:00 am | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2026 | Sun, Mar 8 at 2:00 am | MST → MDT | +1 hour (DST start) | UTC-6h |
| Sun, Nov 1 at 2:00 am | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2027 | Sun, Mar 14 at 2:00 am | MST → MDT | +1 hour (DST start) | UTC-6h |
| Sun, Nov 7 at 2:00 am | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2028 | Sun, Mar 12 at 2:00 am | MST → MDT | +1 hour (DST start) | UTC-6h |
| Sun, Nov 5 at 2:00 am | MDT → MST | -1 hour (DST end) | UTC-7h | |
| 2029 | Sun, Mar 11 at 2:00 am | MST → MDT | +1 hour (DST start) | UTC-6h |
| Sun, Nov 4 at 2:00 am | MDT → MST | -1 hour (DST end) | UTC-7h | |
| * All times are local Longmont time. Next time change is highlighted. | ||||
Data for the years before 1970 is not available for Longmont, however, we have earlier time zone history for Denver available.
More Information
Time Zone Map
Try Our Interactive Time Zone Map
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.
Longmont
USA
6:2010am
Wednesday, January 21, 2026