O'Fallon, MO, USA to Boulder, CO, USA
Time Difference
CST (Central Standard Time) is 1 hour ahead of MST (Mountain Standard Time)
10:30 pm22:30 in O'Fallon, MO, USA is 9:30 pm21:30 in Boulder, CO, USA
O'Fallon to Boulder call time
Best time for a conference call or a meeting is between 9am-6pm in O'Fallon which corresponds to 8am-5pm in Boulder
10:30 pm22:30 CST (Central Standard Time) (O'Fallon, MO, USA). Offset UTC -6:00 hours
9:30 pm21:30 MST (Mountain Standard Time) (Boulder, CO, USA). Offset UTC -7:00 hours
10:30 pm22:30 O'Fallon, MO, USA / 9:30 pm21:30 Boulder, CO, USA
O'Fallon, MO, USA | Boulder, CO, USA |
---|---|
12am (midnight) | 11pm |
1am | 12am (midnight) |
2am | 1am |
3am | 2am |
4am | 3am |
5am | 4am |
6am | 5am |
7am | 6am |
8am | 7am |
9am | 8am |
10am | 9am |
11am | 10am |
12pm (noon) | 11am |
1pm | 12pm (noon) |
2pm | 1pm |
3pm | 2pm |
4pm | 3pm |
5pm | 4pm |
6pm | 5pm |
7pm | 6pm |
8pm | 7pm |
9pm | 8pm |
10pm | 9pm |
11pm | 10pm |
0:00 | 23:00 |
1:00 | 0:00 |
2:00 | 1:00 |
3:00 | 2:00 |
4:00 | 3:00 |
5:00 | 4:00 |
6:00 | 5:00 |
7:00 | 6:00 |
8:00 | 7:00 |
9:00 | 8:00 |
10:00 | 9:00 |
11:00 | 10:00 |
12:00 | 11:00 |
13:00 | 12:00 |
14:00 | 13:00 |
15:00 | 14:00 |
16:00 | 15:00 |
17:00 | 16:00 |
18:00 | 17:00 |
19:00 | 18:00 |
20:00 | 19:00 |
21:00 | 20:00 |
22:00 | 21:00 |
23:00 | 22:00 |
O'Fallon Information
Time Zone
Abbreviation / Name
CST - Central Standard Time
CDT - Central Daylight Time
CDT - Central Daylight Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.
-5:00 hours during Central Daylight Time.
-5:00 hours during Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
O'Fallon Facts
Country
USA
State
Missouri
Alternative Names
O'Fallon, O'Fallon Station
Population
85,040
Currency
Dollar (USD)
Geographic Coordinates
38° 48' N Latitude / 90° 41' W Longitude
International Dialing Code
+1
Boulder Information
Time Zone
Abbreviation / Name
MST - Mountain Standard Time
HAR - Heure Avancée des Rocheuses
HAR - Heure Avancée des Rocheuses
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.
-6:00 hours during Heure Avancée des Rocheuses.
-6:00 hours during Heure Avancée des Rocheuses.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Boulder Facts
Country
USA
State
Colorado
Alternative Names
Bolder, Boulder, Bouldur, WBU, ba'uldara, bo de, boldara, bolde xr, boldeo, boruda, bwldr, bwldr klradw, Болдер, Боулдер, Боулдър, בולדר, بولدر, بولدر، کلرادو, بولڈر، کولوراڈو, बाउल्डर, बोल्डर, โบลเดอร์, ボルダー, 波德, 볼더
Population
107,349
Currency
Dollar (USD)
Geographic Coordinates
40° 00' N Latitude / 105° 16' W Longitude
International Dialing Code
+1