Canada
MDT
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

MDT (Mountain Daylight Time) is 18 hours and 45 minutes behind Chatham Island Standard Time
8:30 pm20:30 in Calgary, Canada is 3:15 pm15:15 in CHAST

Calgary to CHAST call time
Best time for a conference call or a meeting is between 3:30am-5:30am in Calgary which corresponds to 10:15pm-12:15pm in CHAST

8:30 pm20:30 MDT (Mountain Daylight Time) (Calgary, Canada). Offset UTC -6:00 hours
3:15 pm15:15 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

8:30 pm20:30 Calgary, Canada / 3:15 pm15:15 CHAST

Calgary, Canada CHAST
12am (midnight) 6:45 pm
1am 7:45 pm
2am 8:45 pm
3am 9:45 pm
4am 10:45 pm
5am 11:45 pm
6am 12:45 am
7am 1:45 am
8am 2:45 am
9am 3:45 am
10am 4:45 am
11am 5:45 am
12pm (noon) 6:45 am
1pm 7:45 am
2pm 8:45 am
3pm 9:45 am
4pm 10:45 am
5pm 11:45 am
6pm 12:45 pm
7pm 1:45 pm
8pm 2:45 pm
9pm 3:45 pm
10pm 4:45 pm
11pm 5:45 pm
0:00 18:45
1:00 19:45
2:00 20:45
3:00 21:45
4:00 22:45
5:00 23:45
6:00 0:45
7:00 1:45
8:00 2:45
9:00 3:45
10:00 4:45
11:00 5:45
12:00 6:45
13:00 7:45
14:00 8:45
15:00 9:45
16:00 10:45
17:00 11:45
18:00 12:45
19:00 13:45
20:00 14:45
21:00 15:45
22:00 16:45
23:00 17:45

Calgary Information

Time Zone

Abbreviation / Name
MDT - Mountain Daylight Time
MST - Mountain Standard Time
UTC / GMT Offset
-6:00 hours during Mountain Daylight Time, currently in use.
-7:00 hours during Mountain Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Calgary Facts

Country
Canada
Alternative Names
Calgaria, Calgary, Kalgari, Kalgario, Kalgaris, Kalgary, Kalnkari, Kalqari, Kelgery, YYC, ka er jia li, ka jia li, kaelgeoli, kailagari, kalgari, kalghary, kalgry, kalkari, karugari, kelgari, klgry, kyalgari, kylgry, qlgry, Κάλγκαρι, Калгари, Калгары, Калгарі, Կալգարի, קלגרי, كالغاري, کالگری, کلگری, کیلگری, कॅल्गारी, कैलगरी, ਕੈਲਗਰੀ, கால்கரி, కాల్గరీ, ಕ್ಯಾಲ್ಗರಿ, แคลกะรี, ကယ်လ်ဂရီမြို့, კალგარი, カルガリー, 卡加利, 卡尔加里, 캘거리
Population
1,019,942
Currency
Dollar (CAD)
Geographic Coordinates
51° 03' N Latitude / 114° 05' W Longitude
International Dialing Code
+1

Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST Time Zone Geo Map
CHAST timezone map

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.