Loading...
Mashhad is -2h behind Kolkata
Quick converter
FROM
Kolkata
India
UTC+05:30
TO
Mashhad
Iran
UTC+03:30
Date-aware conversion
Result
Fri, Jul 17, 2026 01:01
Kolkata: Friday, July 17, 2026 3:01 AM GMT+5:30 to Mashhad: Friday, July 17, 2026 1:01 AM GMT+3:30.
Mashhad is 2h behind Kolkata on this date
Every hour in Kolkata and the corresponding time in Mashhad. Green rows indicate business hours in Mashhad.
Time zones
Kolkata uses Asia/Kolkata (GMT+5:30) and Mashhad uses Asia/Tehran (GMT+3:30). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Mashhad. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 11:00 AM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Kolkata is located in India (Asia). It uses the Asia/Kolkata timezone with a standard offset of UTC+05:30. It does not observe Daylight Saving Time. See the full Kolkata time page for live clock and planning details.
Mashhad is located in Iran (Asia). It uses the Asia/Tehran timezone with a standard offset of UTC+03:30. It observes DST, switching between IRST and IRDT. See the full Mashhad time page for live clock and planning details.
People also check
Current city times