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IST is not used on this date.

This converter uses GMT (UTC+0), as in Dublin.

GermanyCET
UTC+1
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Quick answers

Selected conversion

12:30 pm12:30 GMT (UTC+0), Oct 25, 2026 = 1:30 pm13:30 CET (UTC+1), Oct 25, 2026

GMT is 1 hour behind Troisdorf.

How the time difference changes

For most of the year, IST Europe is 1 hour behind Troisdorf. From Oct 25, 2026 to Mar 28, 2027, GMT Europe is 1 hour behind Troisdorf.

For most of the year, working hours of 9:00 am to 6:00 pm in IST Europe correspond to 10:00 am to 7:00 pm in Troisdorf. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT Europe correspond to 10:00 am to 7:00 pm in Troisdorf.For most of the year, working hours of 09:00 to 18:00 in IST Europe correspond to 10:00 to 19:00 in Troisdorf. At other times of the year, working hours of 09:00 to 18:00 in GMT Europe correspond to 10:00 to 19:00 in Troisdorf.

Compare IST time with Troisdorf time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Greenwich Mean Time is 1 hour behind CET (Central European Time).
12:30 pm12:30 in GMT is 1:30 pm13:30 in Troisdorf, Germany

GMT to Troisdorf call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in GMT which corresponds to 10am-6pm10:00-18:00 in Troisdorf

12:30 pm12:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:30 pm13:30 CET (Central European Time) (Troisdorf, Germany). Offset UTC +1:00 hour

12:30 pm12:30 GMT / 1:30 pm13:30 Troisdorf, Germany

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Hourly time comparison
GMTTroisdorf, Germany
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Irish Standard Time

Offset: IST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Ireland

Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Limerick, Galway, Waterford.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Current time in Ireland: Ireland time now

Map of the areas on Irish Standard Time (IST)
IST part of the year

Today the shaded areas are on UTC+0 (GMT).

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for IST
  • A - short form of 'Alpha'
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Eire
  • Europe/Dublin
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
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Troisdorf Time Zone and Facts

Time Zone

Abbreviation / Offset
CET – Central European Time, UTC+1 (now)
CEST – Central European Summer Time, UTC+2 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 2:00 amSunday, March 28, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CEST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 3:00 amSunday, October 31, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (CET). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

Troisdorf Facts

Country
Germany
Alternative Names
Troisdorf, Trojsdorf, ZQG, te luo si duo fu, trwysdwrf, trwyzdwrf, Троисдорф, Тройсдорф, ترويسدورف, ترویزدورف, 特羅斯多夫
Population
74,749
Currency
Euro (EUR)
Geographic Coordinates
50° 48' N Latitude / 7° 08' E Longitude
International Dialing Code
+49
Current Time in Germany