Sri Lanka
+0530
CIST
Cook Islands Standard Time
GMT -10

Time Difference

is 15 hours and 30 minutes ahead of Cook Islands Standard Time
3:00 pm15:00 in Colombo, Sri Lanka is 11:30 pm23:30 in CIST

Colombo to CIST call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in Colombo which corresponds to 5am-7am in CIST

3:00 pm15:00 (Colombo, Sri Lanka). Offset UTC +5:30 hours
11:30 pm23:30 Cook Islands Standard Time (CIST). Offset UTC -10:00 hours

3:00 pm15:00 Colombo, Sri Lanka / 11:30 pm23:30 CIST

Colombo, Sri Lanka CIST
12am (midnight) 8:30 am
1am 9:30 am
2am 10:30 am
3am 11:30 am
4am 12:30 pm
5am 1:30 pm
6am 2:30 pm
7am 3:30 pm
8am 4:30 pm
9am 5:30 pm
10am 6:30 pm
11am 7:30 pm
12pm (noon) 8:30 pm
1pm 9:30 pm
2pm 10:30 pm
3pm 11:30 pm
4pm 12:30 am
5pm 1:30 am
6pm 2:30 am
7pm 3:30 am
8pm 4:30 am
9pm 5:30 am
10pm 6:30 am
11pm 7:30 am
0:00 8:30
1:00 9:30
2:00 10:30
3:00 11:30
4:00 12:30
5:00 13:30
6:00 14:30
7:00 15:30
8:00 16:30
9:00 17:30
10:00 18:30
11:00 19:30
12:00 20:30
13:00 21:30
14:00 22:30
15:00 23:30
16:00 0:30
17:00 1:30
18:00 2:30
19:00 3:30
20:00 4:30
21:00 5:30
22:00 6:30
23:00 7:30

Colombo Information

Time Zone

Abbreviation / Name
+0530 -
UTC / GMT Offset
+5:30 hours during , currently in use.

Colombo Facts

Country
Sri Lanka
Alternative Names
CMB, Colombo, Columbo, Columbum, Kalomba, Kolombas, Kolombo, Kolompo, Kolonbo, ge lin bao, kalambo, kalombo, ke lun po, kealambea, kholambo, klmbw, kolabo, kolambo, kollombo, kolumpu, kolunbu, koronbo, kwlmbw, kwlwmbw, qwlwmbw, Κολόμπο, Каломба, Коломбо, Կոլոմբո, קולומבו, كولمبو, كولومبو, کلمبو, کولمبو, ކޮޅުނބު, कोलंबो, कोलम्बो, কলম্বো, ਕੋਲੰਬੋ, કોલંબો, କଲୋମ୍ବୋ, கொழும்பு, కొలంబో, ಕೊಲಂಬೊ, കൊളംബോ, කොළඹ, ෙකාළඹ, โคลัมโบ, ཁོ་ལུམ་པོ།, ကိုလံဘိုမြို့, კოლომბო, ኮሎምቦ, コロンボ, 可倫坡, 哥林堡, 콜롬보
Population
648,034
Currency
Rupee (LKR)
Geographic Coordinates
6° 56' N Latitude / 79° 50' E Longitude
International Dialing Code
+94

Cook Islands Standard Time

Offset: CIST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

CIST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten 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
  • Whiskey - Military abbreviation for CIST
  • W - short form of 'Whiskey'
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone