EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
IST
India Standard Time
GMT +5:30
PKT
Pakistan Standard Time
GMT +5

Time Difference

Eastern Daylight Time is 9 hours and 30 minutes behind India Standard Time and 9 hours behind Pakistan Standard Time
5:00 am05:00 in EDT is 2:30 pm14:30 in IST and is 2:00 pm14:00 in PKT

EST to IST call time
Best time for a conference call or a meeting is between 7:30am-9:30am in EST which corresponds to 6pm-8pm in IST
EST to PKT call time
Best time for a conference call or a meeting is between 8am-10am in EST which corresponds to 6pm-8pm in PKT

5:00 am05:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
2:30 pm14:30 India Standard Time (IST). Offset UTC +5:30 hours
2:00 pm14:00 Pakistan Standard Time (PKT). Offset UTC +5:00 hours

5:00 am05:00 EDT / 2:30 pm14:30 IST / 2:00 pm14:00 PKT

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

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

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

Pakistan Standard Time

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

Countries: It is used in following countries: Pakistan

Principal Cities: The largest city in the PKT timezone is Karachi from Pakistan with population about 11.624 million people. Other major cities in the area are Lahore, Faisalabad, Rawalpindi, Multan

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

PKT Time Zone Geo Map
PKT timezone map

PKT 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for PKT
  • E - short form of 'Echo'
IANA/Olson: Reflects PKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Karachi
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time