Singapore to Tehran Time Converter
Tehran is -4h 30m behind Singapore
Quick converter
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FROM
Singapore
Singapore
UTC+08:00
TO
Tehran
Iran
UTC+03:30
Date-aware conversion
Convert a specific date and time
Result
Tue, May 26, 2026 11:39
Singapore: Tuesday, May 26, 2026 4:09 PM GMT+8 to Tehran: Tuesday, May 26, 2026 11:39 AM GMT+3:30.
Tehran is 4h 30m behind Singapore on this date
24-Hour Comparison
Every hour in Singapore and the corresponding time in Tehran. Green rows indicate business hours in Tehran.
Time zones
Singapore uses Asia/Singapore (GMT+8) and Tehran 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 Tehran. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Singapore and Tehran
The easiest overlap starts around 2:00 PM 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
About these cities
About Singapore
Singapore is located in Singapore (Asia). It uses the Asia/Singapore timezone with a standard offset of UTC+08:00. It does not observe Daylight Saving Time. See the full Singapore time page for live clock and planning details.
About Tehran
Tehran 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 Tehran time page for live clock and planning details.