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SGT to Doha, Qatar to ACST

SGT
Singapore Time
GMT +8
Doha
Qatar
+03
ACST
Australian Central Standard Time
GMT +9:30

Time Difference

Singapore Time is 5 hours ahead of and 1 hours and 30 minutes behind Australian Central Standard Time
3:30 pm15:30 in SGT is 10:30 am10:30 in Doha, Qatar and is 5:00 pm17:00 in ACST

SGT to Doha call time
Best time for a conference call or a meeting is between 1pm-6pm in SGT which corresponds to 8am-1pm in Doha
SGT to ACST call time
Best time for a conference call or a meeting is between 8am-4:30pm in SGT which corresponds to 9:30am-6pm in ACST

3:30 pm15:30 Singapore Time (SGT). Offset UTC +8:00 hours
10:30 am10:30 (Doha, Qatar). Offset UTC +3:00 hours
5:00 pm17:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

3:30 pm15:30 SGT / 10:30 am10:30 Doha, Qatar / 5:00 pm17:00 ACST

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

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
SGT Abbreviation: Several time zones share SGT abbreviation and it could refer to these time zones
  • Singapore Time - UTC +8
  • South Georgia Time - UTC -2
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Doha Information

Time Zone

Abbreviation / Name
+03 -
UTC / GMT Offset
+3:00 hours during , currently in use.

Doha Facts

Country
Qatar
Alternative Names
Ad Dawha, Ad Dawhah, Ad Dawḩa, Ad Dawḩah, Ad Doha, Ad Dowhah, Ad-Dauha, Ad-Dawhah, Ad-Dawḩah, DOH, Daeuha, Dauha, Dauhá, Dawha, Dawhat al Qatar, Dawḥa, Dawḩat al Qaţar, Dewhe, Do'ha, Doh, Doha, Doho, Dokha, Dokhae, Dokho, Dooxa, Doʻha, Doḥa, Duoha, Däuha, Ntocha, aaldawhat, aldwhh, aldwht, deaha, do ha, doha, dohara, duo ha, dwhh, toka, Ντόχα, Дохæ, Доха, Дохо, Доҳа, Доһа, Դոհա, דאכא, דוחא, דוחה, الدوحة, الدوحه, اَلدَّوْحَة, دوحه, دوحہ, دوحە, دوھا, دەوحە, दोहा, দোহা, দোহার, ਦੋਹਾ, தோகா, ದೊಹಾ, ദോഹ, โดฮา, དྷོ་ཧ།, ဒိုဟာမြို့, დოჰა, ዶሃ, ドーハ, 多哈, 도하
Population
344,939
Currency
Rial (QAR)
Geographic Coordinates
25° 17' N Latitude / 51° 31' E Longitude
International Dialing Code
+974

Australian Central Standard Time

Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston

ACST Time Zone Geo Map
ACST timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna
EST to IST GMT to EST PST to EST EST to GMT PST to GMT