MDT
Mountain Daylight Time
GMT -6
IST
India Standard Time
GMT +5:30
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
Lebanon
EEST
Saudi Arabia
+03
SGT
Singapore Time
GMT +8
Qatar
+03

Time Difference

Mountain Daylight Time is 11 hours and 30 minutes behind India Standard Time and 2 hours behind Eastern Daylight Time and 9 hours behind EEST (Eastern European Summer Time) and 9 hours behind and 14 hours behind Singapore Time and 9 hours behind
2:00 pm14:00 in MDT is 1:30 am01:30 in IST and is 4:00 pm16:00 in EDT and is 11:00 pm23:00 in Beirut, Lebanon and is 11:00 pm23:00 in Riyadh, Saudi Arabia and is 4:00 am04:00 in SGT and is 11:00 pm23:00 in Doha, Qatar

MDT to IST call time
Best time for a conference call or a meeting is between 7am-9am in MDT which corresponds to 6:30pm-8:30pm in IST
MDT to EST call time
Best time for a conference call or a meeting is between 8am-5pm in MDT which corresponds to 9am-6pm in EST
MDT to Beirut call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Beirut
MDT to Riyadh call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Riyadh
MDT to SGT call time
Best time for a conference call or a meeting is between 6am-8am in MDT which corresponds to 8pm-10pm in SGT
MDT to Doha call time
Best time for a conference call or a meeting is between 8am-10am in MDT which corresponds to 5pm-7pm in Doha

2:00 pm14:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
1:30 am01:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 pm16:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 pm23:00 EEST (Eastern European Summer Time) (Beirut, Lebanon). Offset UTC +3:00 hours
11:00 pm23:00 (Riyadh, Saudi Arabia). Offset UTC +3:00 hours
4:00 am04:00 Singapore Time (SGT). Offset UTC +8:00 hours
11:00 pm23:00 (Doha, Qatar). Offset UTC +3:00 hours

2:00 pm14:00 MDT / 1:30 am01:30 IST / 4:00 pm16:00 EDT / 11:00 pm23:00 Beirut, Lebanon / 11:00 pm23:00 Riyadh, Saudi Arabia / 4:00 am04:00 SGT / 11:00 pm23:00 Doha, Qatar

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

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Mountain Daylight Time (MDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Mountain Daylight Time (MDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
  • Sierra - Military abbreviation for MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST 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, India Standard Time remains the same

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
  • Iran Standard Time - UTC +3:30

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

EST Time Zone Geo Map
EST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Beirut Information

Time Zone

Abbreviation / Name
EEST - Eastern European Summer Time
EET - Eastern European Time
UTC / GMT Offset
+3:00 hours during Eastern European Summer Time, currently in use.
+2:00 hours during Eastern European 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 12am to 1am Sunday, March 30, 2025 at 12:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 30, 2025, 1:00 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 12am to 11pm Saturday, October 25, 2025 at 12:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Saturday, October 25, 2025, 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.

Beirut Facts

Country
Lebanon
Alternative Names
BEY, Baeyrut, Bairut, Bayrut, Bayrūt, Beiriut, Beiroet, Beirot, Beirots, Beirout, Beiroūt, Beirut, Beiruta, Beirutas, Beirute, Beirút, Beirût, Beirūta, Bejrut, Bejrut oshs', Bejruti, Bejruto, Bejrút, Berut, Berytos, Berytus, Bewout, Beyrouth, Beyrut, Bey­rutʻ, Birut, Bäyrut, Béiriút, Bêrût, bairut, bairuta, bayrut, bei lu te, beiluteu, beiruti, beiruto, berut, beruta, beyaruta, beyruta, bey‌rutt, biruta, byrwt, byyrwt, peyrut, Βηρυτός, Бейрут, Бейрут ошсь, Бејрут, Бәйрут, Բեյ­րութ, ביירוט, ביירות, بيروت, بَيْرُوت, بیروت, بېيرۇت, بەیرووت, ܒܝܪܘܬ, बेयरूत, बेय्रुत, बैरूत, বৈরুত, ਬੇਰੂਤ, ବିରୁଟ, பெய்ரூத், ಬೈರುತ್, ബെയ്‌റൂത്ത്, เบรุต, པ་ར་ཐ།, པེ་རུ་ཐེ།, ဘေရွတ်မြို့, ბეირუთი, ቤይሩት, ベイルート, 貝魯特, 贝鲁特, 베이루트
Population
1,916,100
Currency
Pound (LBP)
Geographic Coordinates
33° 53' N Latitude / 35° 30' E Longitude
International Dialing Code
+961

Riyadh Information

Time Zone

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

Riyadh Facts

Country
Saudi Arabia
Alternative Names
Al-Riad, Al-Riyad, Ar Riyadh, Ar Riyādh, Ar-Riaad, Ar-Rijad, Ar-Riyad, Ar-Riyod, Ar-Riyāḑ, Ehr-Rijad, Ehr-Ryjad, Er-Rijad, Er-riyad, RUH, Riaad, Riad, Riade, Riadi, Riado, Riadum, Riant, Rihad, Rijad, Rijada, Rijadas, Rijád, Rijāda, Riyad, Riyadh, Riyaḍ, Ríad, alryad, er-riadi, li ya de, liyadeu, raiyadha, ri'ada, ri'adha, riyad, riyada, riyadh, riyadha, riyado, riyat, ryad, ryyad, Ər-Riyad, Ριάντ, Ар-Рияд, Ер-Ріяд, Рияд, Ријад, Эр-Рияд, Эр-Рыяд, Ալ-Ռիադ, ריאד, الرياض, رىياد, رياض, ریاض, ڕیاز, रियाद, रियाध, রিয়াদ, ৰিয়াধ, ਰਿਆਧ, ରିଆଦ, ரியாத், ರಿಯಾಧ್, റിയാദ്, ริยาด, རིས་ཡག, ერ-რიადი, ሪያድ, リヤド, 利雅得, 利雅德, 리야드
Population
4,205,961
Currency
Rial (SAR)
Geographic Coordinates
24° 41' N Latitude / 46° 43' E Longitude
International Dialing Code
+966

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'
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