Georgia
GST
AST
Atlantic Standard Time
GMT -4

Time Difference

GST (Georgia Standard Time) is 8 hours ahead of Atlantic Standard Time
9:30 pm21:30 in Tbilisi, Georgia is 1:30 pm13:30 in AST

Tbilisi to AST call time
Best time for a conference call or a meeting is between 4pm-6pm in Tbilisi which corresponds to 8am-10am in AST

9:30 pm21:30 GST (Georgia Standard Time) (Tbilisi, Georgia). Offset UTC +4:00 hours
1:30 pm13:30 Atlantic Standard Time (AST). Offset UTC -4:00 hours

9:30 pm21:30 Tbilisi, Georgia / 1:30 pm13:30 AST

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

Tbilisi Information

Time Zone

Abbreviation / Name
GST - Georgia Standard Time
KUYT - Kuybyshev Time
UTC / GMT Offset
+4:00 hours during Georgia Standard Time, currently in use.
+4:00 hours during Kuybyshev Time.
Daylight Saving Time Change
0:00 hours - 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.

Tbilisi Facts

Country
Georgia
Alternative Names
TBS, Tbilis, Tbilisi, Tbilisi - tbilisi, Tbilisi - თბილისი, Tbilisi osh, Tbilisis, Tbiliso, Tbilissi, Tbilisy, Tbiliszi, Tbilsi, Tblisi, Thbilisi, Tibilisi, Tiblisi, Tiblissi, Tiblíssi, Tibîlîsî, Tiflis, Tiphlida, Tpilisi, Triphelis, Ttuplis, Tíblisi, Tíflis, Tıflis, di bi li si, karti, tbilisi, tblys, tblysy, tbylysy, teubillisi, tfls, tflys, thbi li si, thbilisi, tipilici, tobirishi, Τιφλίδα, Тбилис, Тбилиси, Тбилиси ош, Тбилисӣ, Тбілісі, Ттуплис, Қарҭ, Թբիլիսի, טביליסי, تبليسي, تبلیس, تبلیسی, تبىلىسى, تفلیس, طفلس, ܛܒܝܠܝܣܝ, त्बिलिसी, थ्बिलीसी, তিবি‌লিসি, திபிலீசி, ทบิลิซิ, ཁྲེ་བྷི་ལི་སི།, თბილისი, ქართი, ትብሊሲ, トビリシ, 第比利斯, 트빌리시
Population
1,049,498
Currency
Lari (GEL)
Geographic Coordinates
41° 41' N Latitude / 44° 50' E Longitude
International Dialing Code
+995

Atlantic Standard Time

Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean

Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)

Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax

Daylight Saving: Atlantic Standard Time (AST) is not adjusted for daylight saving therefore AST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Atlantic Standard Time remains the same

AST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four 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
  • Quebec - Military abbreviation for AST
  • Q - short form of 'Quebec'
IANA/Olson: Reflects AST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anguilla
  • America/Antigua
  • America/Aruba
  • America/Barbados
  • America/Blanc-Sablon
  • America/Curacao
  • America/Dominica
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Grenada
  • America/Guadeloupe
  • America/Halifax
  • America/Kralendijk
  • America/Lower_Princes
  • America/Marigot
  • America/Martinique
  • America/Moncton
  • America/Montserrat
  • America/Port_of_Spain
  • America/Puerto_Rico
  • America/Santo_Domingo
  • America/St_Barthelemy
  • America/St_Kitts
  • America/St_Lucia
  • America/St_Thomas
  • America/St_Vincent
  • America/Thule
  • America/Tortola
  • America/Virgin
  • Atlantic/Bermuda
  • Canada/Atlantic
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
  • Arabian Standard Time - UTC +3
  • Argentina Standard Time - UTC -3
  • Apia Standard Time - UTC +13
  • Azores Summer Time - UTC +0
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time