Boulder, CO, USA to Shahriar, Iran
Time Difference
MST (Mountain Standard Time) is 10 hours and 30 minutes behind IST (Iran Standard Time)
1:30 pm13:30 in Boulder, CO, USA is 12:00 am00:00 in Shahriar, Iran
Boulder to Shahriar call time
Best time for a conference call or a meeting is between 7:30am-9:30am in Boulder which corresponds to 6pm-8pm in Shahriar
1:30 pm13:30 MST (Mountain Standard Time) (Boulder, CO, USA). Offset UTC -7:00 hours
12:00 am00:00 IST (Iran Standard Time) (Shahriar, Iran). Offset UTC +3:30 hours
1:30 pm13:30 Boulder, CO, USA / 12:00 am00:00 Shahriar, Iran
| Boulder, CO, USA | Shahriar, Iran |
|---|---|
| 12am (midnight) | 10:30 am |
| 1am | 11:30 am |
| 2am | 12:30 pm |
| 3am | 1:30 pm |
| 4am | 2:30 pm |
| 5am | 3:30 pm |
| 6am | 4:30 pm |
| 7am | 5:30 pm |
| 8am | 6:30 pm |
| 9am | 7:30 pm |
| 10am | 8:30 pm |
| 11am | 9:30 pm |
| 12pm (noon) | 10:30 pm |
| 1pm | 11:30 pm |
| 2pm | 12:30 am |
| 3pm | 1:30 am |
| 4pm | 2:30 am |
| 5pm | 3:30 am |
| 6pm | 4:30 am |
| 7pm | 5:30 am |
| 8pm | 6:30 am |
| 9pm | 7:30 am |
| 10pm | 8:30 am |
| 11pm | 9:30 am |
| 0:00 | 10:30 |
| 1:00 | 11:30 |
| 2:00 | 12:30 |
| 3:00 | 13:30 |
| 4:00 | 14:30 |
| 5:00 | 15:30 |
| 6:00 | 16:30 |
| 7:00 | 17:30 |
| 8:00 | 18:30 |
| 9:00 | 19:30 |
| 10:00 | 20:30 |
| 11:00 | 21:30 |
| 12:00 | 22:30 |
| 13:00 | 23:30 |
| 14:00 | 0:30 |
| 15:00 | 1:30 |
| 16:00 | 2:30 |
| 17:00 | 3:30 |
| 18:00 | 4:30 |
| 19:00 | 5:30 |
| 20:00 | 6:30 |
| 21:00 | 7:30 |
| 22:00 | 8:30 |
| 23:00 | 9:30 |
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
Shahriar Information
Time Zone
Abbreviation / Name
IST - Iran Standard Time
IRDT - Iran Daylight Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
+4:30 hours during Iran Daylight Time.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.
Shahriar Facts
Country
Iran
Alternative Names
Ali Shah `Iwaz, Ali Shāh ‘Iwaz, Shahreyar, Shahreyār, Shahriar, Shahriyar, Shahriyār, Shahrīār, Shakhrijar, `Ali Shah `Avaz, shhryar, Шахрияр, شهريار, ‘Alī Shāh ‘Avaẕ
Population
58,849
Currency
Rial (IRR)
Geographic Coordinates
35° 39' N Latitude / 51° 03' E Longitude
International Dialing Code
+98