Puerto Rico
AST
CKT
Cook Island Time
GMT -10

Time Difference

AST (Atlantic Standard Time) is 6 hours ahead of Cook Island Time
5:30 am05:30 in Humacao, Puerto Rico is 11:30 pm23:30 in CKT

Humacao to CKT call time
Best time for a conference call or a meeting is between 2pm-6pm in Humacao which corresponds to 8am-12pm in CKT

5:30 am05:30 AST (Atlantic Standard Time) (Humacao, Puerto Rico). Offset UTC -4:00 hours
11:30 pm23:30 Cook Island Time (CKT). Offset UTC -10:00 hours

5:30 am05:30 Humacao, Puerto Rico / 11:30 pm23:30 CKT

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

Humacao Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Humacao Facts

Country
Puerto Rico
Alternative Names
HUC, Umakao, humaka'o, wu ma kao, Умакао, اوماکاو، پورٹو ریکو, হুমাকাও, 烏馬考
Population
20,387
Currency
Dollar (USD)
Geographic Coordinates
18° 08' N Latitude / 65° 49' W Longitude

Cook Island Time

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

CKT Time Zone Geo Map
CKT timezone map

CKT 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 CKT
  • 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