TimeZone Hero
Time zone converter

IRST to NPT

Convert Iran Time — Tehran to Nepal Time — Kathmandu — fast, accurate, and daylight-saving aware.

When it's 9:00 AM in Tehran, it's 11:15 AM in Kathmandu. Kathmandu is 2¼ hours ahead of Tehran. Use the converter above to turn any IRST time into NPT, or scan the hour-by-hour table below for the full day.

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Iran Time — Tehran ·
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Nepal Time — Kathmandu ·
Convert a specific timein Tehran → — in Kathmandu

IRST to NPT at a glance

9:00 AM IRST
11:15 AM
NPT · Kathmandu
12:00 PM IRST
2:15 PM
NPT · Kathmandu
5:00 PM IRST
7:15 PM
NPT · Kathmandu

Planning a meeting between Tehran and Kathmandu

Planning a call between Tehran and Kathmandu? The best overlap during a standard 9-to-5 workday runs 9:00 AM–2:45 PM IRST (11:15 AM–5:00 PM NPT). Aim for that window to reach both sides during business hours.

Hour-by-hour: Tehran to Kathmandu

A full day mapped from IRST to NPT.

IRST — TehranNPT — Kathmandu
12:00 AM2:15 AM
1:00 AM3:15 AM
2:00 AM4:15 AM
3:00 AM5:15 AM
4:00 AM6:15 AM
5:00 AM7:15 AM
6:00 AM8:15 AM
7:00 AM9:15 AM
8:00 AM10:15 AM
9:00 AM11:15 AM
10:00 AM12:15 PM
11:00 AM1:15 PM
12:00 PM2:15 PM
1:00 PM3:15 PM
2:00 PM4:15 PM
3:00 PM5:15 PM
4:00 PM6:15 PM
5:00 PM7:15 PM
6:00 PM8:15 PM
7:00 PM9:15 PM
8:00 PM10:15 PM
9:00 PM11:15 PM
10:00 PM12:15 AMnext day
11:00 PM1:15 AMnext day

Frequently asked

Is Kathmandu ahead of or behind Tehran?

Kathmandu is 2¼ hours ahead of Tehran.

What is 12:00 PM IRST in NPT?

12:00 PM in Tehran is 2:15 PM in Kathmandu.

Does this converter account for daylight saving time?

Yes. Conversions use the IANA time zone database, so IRST and NPT automatically reflect the correct daylight-saving offset for the current date.

Related conversions

NPT → IRSTIRST → UTCIRST → ESTIRST → PSTIRST → GMTIRST → ISTIRST → CET