Castle Rock, CO, USA to HADT
Time Difference
MST (Mountain Standard Time) is 2 hours ahead of Hawaii-Aleutian Daylight Time
1:30 am01:30 in Castle Rock, CO, USA is 11:30 pm23:30 in HADT
Castle Rock to HADT call time
Best time for a conference call or a meeting is between 10am-6pm in Castle Rock which corresponds to 8am-4pm in HADT
1:30 am01:30 MST (Mountain Standard Time) (Castle Rock, CO, USA). Offset UTC -7:00 hours
11:30 pm23:30 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
1:30 am01:30 Castle Rock, CO, USA / 11:30 pm23:30 HADT
| Castle Rock, CO, USA | HADT |
|---|---|
| 12am (midnight) | 10pm |
| 1am | 11pm |
| 2am | 12am (midnight) |
| 3am | 1am |
| 4am | 2am |
| 5am | 3am |
| 6am | 4am |
| 7am | 5am |
| 8am | 6am |
| 9am | 7am |
| 10am | 8am |
| 11am | 9am |
| 12pm (noon) | 10am |
| 1pm | 11am |
| 2pm | 12pm (noon) |
| 3pm | 1pm |
| 4pm | 2pm |
| 5pm | 3pm |
| 6pm | 4pm |
| 7pm | 5pm |
| 8pm | 6pm |
| 9pm | 7pm |
| 10pm | 8pm |
| 11pm | 9pm |
| 0:00 | 22:00 |
| 1:00 | 23:00 |
| 2:00 | 0:00 |
| 3:00 | 1:00 |
| 4:00 | 2:00 |
| 5:00 | 3:00 |
| 6:00 | 4:00 |
| 7:00 | 5:00 |
| 8:00 | 6:00 |
| 9:00 | 7:00 |
| 10:00 | 8:00 |
| 11:00 | 9:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Castle Rock 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.
Castle Rock Facts
Country
USA
State
Colorado
Alternative Names
Kasl Rok, Kasul Rok, cheng bao shi, kasl rak klradw, kasl rwk, kyasala raka, Касл Рок, Касъл Рок, كاسل روك, کاسل راک، کلرادو, کیسل راک، کولوراڈو, क्यासल रक, 城堡石
Population
55,591
Currency
Dollar (USD)
Geographic Coordinates
39° 22' N Latitude / 104° 51' W Longitude
International Dialing Code
+1
Hawaii-Aleutian Daylight Time
Offset: HADT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
HADT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -09 - basic short
- -0900 - basic
- -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Victor - Military abbreviation for HADT
- V - short form of 'Victor'
Time zones with the GMT -9 offset:
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor Time Zone