IST
Israel Standard Time
GMT +2
12am
3am
6am
9am
12pm
3pm
6pm
9pm
KUYT
Kuybyshev Time
GMT +4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

IST is 2 hours behind KUYT. IST uses GMT +2, and KUYT uses GMT +4 for this comparison.

For example, 2:00 pm IST is 4:00 pm KUYT. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9am-3pm IST, which is 11am-5pm KUYT.

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

Time Difference

Israel Standard Time is 2 hours behind Kuybyshev Time
2:00 pm14:00 in IST is 4:00 pm16:00 in KUYT

IST to KUYT call time
Best time for a conference call or a meeting is between 9am-3pm in IST which corresponds to 11am-5pm in KUYT

2:00 pm14:00 Israel Standard Time (IST). Offset UTC +2:00 hours
4:00 pm16:00 Kuybyshev Time (KUYT). Offset UTC +4:00 hours

2:00 pm14:00 IST / 4:00 pm16:00 KUYT

ISTKUYT
12am (midnight)2am
1am3am
2am4am
3am5am
4am6am
5am7am
6am8am
7am9am
8am10am
9am11am
10am12pm (noon)
11am1pm
12pm (noon)2pm
1pm3pm
2pm4pm
3pm5pm
4pm6pm
5pm7pm
6pm8pm
7pm9pm
8pm10pm
9pm11pm
10pm12am (midnight)
11pm1am
00:0002:00
01:0003:00
02:0004:00
03:0005:00
04:0006:00
05:0007:00
06:0008:00
07:0009:00
08:0010:00
09:0011:00
10:0012:00
11:0013:00
12:0014:00
13:0015:00
14:0016:00
15:0017:00
16:0018:00
17:0019:00
18:0020:00
19:0021:00
20:0022:00
21:0023:00
22:0000:00
23:0001:00

Israel Standard Time

Offset: IST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Israel

Principal Cities: The largest city in the IST time zone is Jerusalem in Israel, with about 801,000 people. Other major cities in this time zone include West Jerusalem, Haifa, Tel Aviv, Ashdod.

IST Time Zone Geo Map
IST timezone map

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

Daylight saving time clock moves back for one hour from 2am to 1amStart: Israel Standard Time (IST) started on Sunday, October 26, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 1:00 am. Standard time starts annually on the last Sunday of October.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Israel Standard Time (IST) ends on Friday, March 27, 2026 at 2:00 am local time and clocks are set one hour forward to Friday, March 27, 2026, 3:00 am local daylight time instead. Standard time ends annually on the last Friday of March.

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for IST
  • B - short form of 'Bravo'
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Jerusalem
  • Asia/Tel_Aviv
  • Israel
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 +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time

Kuybyshev Time

Offset: KUYT is 4 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Georgia

Principal Cities: The largest city in the KUYT time zone is Tbilisi in Georgia, with about 1.049 million people. Other major cities in this time zone include Kutaisi, Batumi, Sokhumi, Zugdidi.

Daylight Saving: Clocks in Kuybyshev Time (KUYT) do not change for daylight saving time, so KUYT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

KUYT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +04 - basic short
  • +0400 - basic
  • +04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Delta - Military abbreviation for KUYT
  • D - short form of 'Delta'
Time zones with the GMT +4 offset:
  • KUYT - Kuybyshev Time
  • MSD - Moscow Daylight Time
  • SAMT - Samara Time
  • AMT - Armenia Time
  • AZT - Azerbaijan Time
  • D - Delta Time Zone
  • GET - Georgia Standard Time
  • GST - Gulf Standard Time
  • MUT - Mauritius Time
  • RET - Reunion Time
  • SCT - Seychelles Time