UTC to IST to Lisbon, Portugal to Bucharest, Romania to CST
Time Difference
Universal Time Coordinated is 5 hours and 30 minutes behind India Standard Time and 1 hours behind WEST (Western European Summer Time) and 3 hours behind EEST (Eastern European Summer Time) and 5 hours ahead of Central Daylight Time
5:30 pm17:30 in UTC is 11:00 pm23:00 in IST and is 6:30 pm18:30 in Lisbon, Portugal and is 8:30 pm20:30 in Bucharest, Romania and is 12:30 pm12:30 in CDT
UTC to IST call time
Best time for a conference call or a meeting is between 8am-12:30pm in UTC which corresponds to 1:30pm-6pm in IST
UTC to Lisbon call time
Best time for a conference call or a meeting is between 8am-5pm in UTC which corresponds to 9am-6pm in Lisbon
UTC to Bucharest call time
Best time for a conference call or a meeting is between 8am-3pm in UTC which corresponds to 11am-6pm in Bucharest
UTC to CST call time
Best time for a conference call or a meeting is between 2pm-6pm in UTC which corresponds to 8am-12pm in CST
5:30 pm17:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
11:00 pm23:00 India Standard Time (IST). Offset UTC +5:30 hours
6:30 pm18:30 WEST (Western European Summer Time) (Lisbon, Portugal). Offset UTC +1:00 hour
8:30 pm20:30 EEST (Eastern European Summer Time) (Bucharest, Romania). Offset UTC +3:00 hours
12:30 pm12:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 pm17:30 UTC / 11:00 pm23:00 IST / 6:30 pm18:30 Lisbon, Portugal / 8:30 pm20:30 Bucharest, Romania / 12:30 pm12:30 CDT
| UTC | IST | Lisbon, Portugal | Bucharest, Romania | CDT |
|---|---|---|---|---|
| 12am (midnight) | 5:30 am | 1am | 3am | 7pm |
| 1am | 6:30 am | 2am | 4am | 8pm |
| 2am | 7:30 am | 3am | 5am | 9pm |
| 3am | 8:30 am | 4am | 6am | 10pm |
| 4am | 9:30 am | 5am | 7am | 11pm |
| 5am | 10:30 am | 6am | 8am | 12am (midnight) |
| 6am | 11:30 am | 7am | 9am | 1am |
| 7am | 12:30 pm | 8am | 10am | 2am |
| 8am | 1:30 pm | 9am | 11am | 3am |
| 9am | 2:30 pm | 10am | 12pm (noon) | 4am |
| 10am | 3:30 pm | 11am | 1pm | 5am |
| 11am | 4:30 pm | 12pm (noon) | 2pm | 6am |
| 12pm (noon) | 5:30 pm | 1pm | 3pm | 7am |
| 1pm | 6:30 pm | 2pm | 4pm | 8am |
| 2pm | 7:30 pm | 3pm | 5pm | 9am |
| 3pm | 8:30 pm | 4pm | 6pm | 10am |
| 4pm | 9:30 pm | 5pm | 7pm | 11am |
| 5pm | 10:30 pm | 6pm | 8pm | 12pm (noon) |
| 6pm | 11:30 pm | 7pm | 9pm | 1pm |
| 7pm | 12:30 am | 8pm | 10pm | 2pm |
| 8pm | 1:30 am | 9pm | 11pm | 3pm |
| 9pm | 2:30 am | 10pm | 12am (midnight) | 4pm |
| 10pm | 3:30 am | 11pm | 1am | 5pm |
| 11pm | 4:30 am | 12am (midnight) | 2am | 6pm |
| 0:00 | 5:30 | 1:00 | 3:00 | 19:00 |
| 1:00 | 6:30 | 2:00 | 4:00 | 20:00 |
| 2:00 | 7:30 | 3:00 | 5:00 | 21:00 |
| 3:00 | 8:30 | 4:00 | 6:00 | 22:00 |
| 4:00 | 9:30 | 5:00 | 7:00 | 23:00 |
| 5:00 | 10:30 | 6:00 | 8:00 | 0:00 |
| 6:00 | 11:30 | 7:00 | 9:00 | 1:00 |
| 7:00 | 12:30 | 8:00 | 10:00 | 2:00 |
| 8:00 | 13:30 | 9:00 | 11:00 | 3:00 |
| 9:00 | 14:30 | 10:00 | 12:00 | 4:00 |
| 10:00 | 15:30 | 11:00 | 13:00 | 5:00 |
| 11:00 | 16:30 | 12:00 | 14:00 | 6:00 |
| 12:00 | 17:30 | 13:00 | 15:00 | 7:00 |
| 13:00 | 18:30 | 14:00 | 16:00 | 8:00 |
| 14:00 | 19:30 | 15:00 | 17:00 | 9:00 |
| 15:00 | 20:30 | 16:00 | 18:00 | 10:00 |
| 16:00 | 21:30 | 17:00 | 19:00 | 11:00 |
| 17:00 | 22:30 | 18:00 | 20:00 | 12:00 |
| 18:00 | 23:30 | 19:00 | 21:00 | 13:00 |
| 19:00 | 0:30 | 20:00 | 22:00 | 14:00 |
| 20:00 | 1:30 | 21:00 | 23:00 | 15:00 |
| 21:00 | 2:30 | 22:00 | 0:00 | 16:00 |
| 22:00 | 3:30 | 23:00 | 1:00 | 17:00 |
| 23:00 | 4:30 | 0:00 | 2:00 | 18:00 |
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu 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 representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Lisbon Information
Time Zone
Lisbon Facts
Bucharest Information
Time Zone
EET - Eastern European Time
+2:00 hours during Eastern European Time.
Sunday, March 31, 2024 at 3:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 4:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, October 27, 2024 at 4:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 3:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Bucharest Facts
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
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 Central Daylight Time (CDT).
End: Central Standard Time (CST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -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.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- 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
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone