PT to San Juan, Puerto Rico to EST to CST to IST Time Converter

Updating current time…
PT
Pacific Time
UTC−8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
San Juan
Puerto RicoAST
UTC−4
4h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
Eastern Standard Time
UTC−5
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
Central Standard Time
UTC−6
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
UTC+5:30
13h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 PT (UTC-8), Nov 13, 2026 = 8:00 am08:00 AST (UTC-4), Nov 13, 2026 = 7:00 am07:00 EST (UTC-5), Nov 13, 2026 = 6:00 am06:00 CST (UTC-6), Nov 13, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 13, 2026

PT is 4 hours behind San Juan. PT is 3 hours behind EST. PT is 2 hours behind CST. PT is 13 hours and 30 minutes behind IST.

How the time difference changes

PT to San Juan, Puerto Rico

For most of the year, PT is 3 hours behind San Juan, Puerto Rico. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PT is 4 hours behind San Juan, Puerto Rico.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 12:00 pm to 9:00 pm in San Juan, Puerto Rico. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 1:00 pm to 10:00 pm in San Juan, Puerto Rico.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 12:00 to 21:00 in San Juan, Puerto Rico. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 13:00 to 22:00 in San Juan, Puerto Rico.

PT to EST

For most of the year, PT is 3 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PT is 3 hours behind EST. Briefly around clock changes, PT is 2 hours behind EST or PT is 4 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 12:00 pm to 9:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 12:00 pm to 9:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 12:00 to 21:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 12:00 to 21:00 in EST.

PT to CST

For most of the year, PT is 2 hours behind CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PT is 2 hours behind CST. Briefly around clock changes, PT is 1 hour behind CST or PT is 3 hours behind CDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 11:00 am to 8:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 11:00 am to 8:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 11:00 to 20:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 11:00 to 20:00 in CST.

PT to IST

For most of the year, PT is 12 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PT is 13 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 9:30 pm to 6:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 10:30 pm to 7:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 21:30 to 06:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 22:30 to 07:30 (next day) in IST.

Compare PT time with San Juan, EST, CST, and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Time is 4 hours behind AST (Atlantic Standard Time). Pacific Time is 3 hours behind Eastern Standard Time. Pacific Time is 2 hours behind Central Standard Time. Pacific Time is 13 hours and 30 minutes behind India Standard Time.
4:00 am04:00 in PT is 8:00 am08:00 in San Juan, Puerto Rico and is 7:00 am07:00 in EST and is 6:00 am06:00 in CST and is 5:30 pm17:30 in IST

PT to San Juan call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in PT which corresponds to 1pm-6pm13:00-18:00 in San Juan.
PT to EST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PT which corresponds to 12pm-6pm12:00-18:00 in EST.
PT to CST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in PT which corresponds to 11am-6pm11:00-18:00 in CST.
PT to IST call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in PT which corresponds to 8am-9am08:00-09:00 in IST (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

4:00 am04:00 Pacific Time (PT). Offset UTC -8:00 hours
8:00 am08:00 AST (Atlantic Standard Time) (San Juan, Puerto Rico). Offset UTC -4:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

4:00 am04:00 PT / 8:00 am08:00 San Juan, Puerto Rico / 7:00 am07:00 EST / 6:00 am06:00 CST / 5:30 pm17:30 IST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
PTSan Juan, Puerto RicoESTCSTIST
4:00am3:00am2:00am1:30pm
5:00am4:00am3:00am2:30pm
6:00am5:00am4:00am3:30pm
7:00am6:00am5:00am4:30pm
8:00am7:00am6:00am5:30pm
9:00am8:00am7:00am6:30pm
10:00am9:00am8:00am7:30pm
11:00am10:00am9:00am8:30pm
12:00pm11:00am10:00am9:30pm
1:00pm12:00pm11:00am10:30pm
2:00pm1:00pm12:00pm11:30pm
3:00pm2:00pm1:00pm12:30am next day
4:00pm3:00pm2:00pm1:30am next day
5:00pm4:00pm3:00pm2:30am next day
6:00pm5:00pm4:00pm3:30am next day
7:00pm6:00pm5:00pm4:30am next day
8:00pm7:00pm6:00pm5:30am next day
9:00pm8:00pm7:00pm6:30am next day
10:00pm9:00pm8:00pm7:30am next day
11:00pm10:00pm9:00pm8:30am next day
12:00am next day11:00pm10:00pm9:30am next day
1:00am next day12:00am next day11:00pm10:30am next day
2:00am next day1:00am next day12:00am next day11:30am next day
3:00am next day2:00am next day1:00am next day12:30pm next day
04:0003:0002:0013:30
05:0004:0003:0014:30
06:0005:0004:0015:30
07:0006:0005:0016:30
08:0007:0006:0017:30
09:0008:0007:0018:30
10:0009:0008:0019:30
11:0010:0009:0020:30
12:0011:0010:0021:30
13:0012:0011:0022:30
14:0013:0012:0023:30
15:0014:0013:0000:30 next day
16:0015:0014:0001:30 next day
17:0016:0015:0002:30 next day
18:0017:0016:0003:30 next day
19:0018:0017:0004:30 next day
20:0019:0018:0005:30 next day
21:0020:0019:0006:30 next day
22:0021:0020:0007:30 next day
23:0022:0021:0008:30 next day
00:00 next day23:0022:0009:30 next day
01:00 next day00:00 next day23:0010:30 next day
02:00 next day01:00 next day00:00 next day11:30 next day
03:00 next day02:00 next day01:00 next day12:30 next day

Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in North America. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Time (PT)
PT all year

Open the world time zone map© OpenStreetMap

PT 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 an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PT
  • U - short form of 'Uniform'
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

San Juan Time Zone and Facts

Time Zone

Abbreviation / Offset
AST – Atlantic Standard Time, UTC-4 (no daylight saving time)

San Juan Facts

Country
Puerto Rico
Alternative Names
Caparra, Ciudad de Puerto Rico, Portorico, Prico, Puerto Rico, SJU, Saint Iuan, Saint John de Porto Rico, Sainte Jean de Porto-rico, San Chouan, San Chuanas, San Huan, San Ian de Porto Rico, San Ioanni, San Jean de Portorico, San Juan, San Juan Batista de Puerto Rico, San Juan Bautistade de Puerto Rico, San Juan de Puerto Rico, San Khuan, San Xoan, San Xoán, San Xuan, San-Juano, San-Khuan, Sanhuana, The City of Saint John, Ville de Porto-Rico, Ville de Sainte Jean de Porto Rico, can van, saenhwan, san hwn, san khwan, san-khuani, sana hu'ana, sana huraana, sanfuan, sanhuan, sheng hu an, Σαν Χουάν, Сан Хуан, Сан-Хуан, Սան Խուան, סן חואן, سان خوآن, سان خوان, सान हुआन, সান হুৱান, ਸਾਨ ਹੁਆਨ, சான் வான், ซานฮวน, სან-ხუანი, サンフアン, 圣胡安, 산후안, 샌환
Population
418,140
Currency
Dollar (USD)
Geographic Coordinates
18° 27' N Latitude / 66° 06' W Longitude
International Dialing Code
+1 787 and +1 939
More About San Juan
San Juan local time and city facts

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

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

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today all shaded areas are on EST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

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 an offset of five hours 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

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

Today all shaded areas are on CST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).

123456789101112Start: Central Standard Time (CST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Central Standard Time (CST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

CST 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 an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
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 of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in India: India time now

Map of the areas on India Standard Time (IST)
IST all year

Open the world time zone map© OpenStreetMap

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 an offset of five hours and thirty minutes 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