Why Nepal runs its clocks 15 minutes off India, and the mountain behind it

Nepal Standard Time is UTC+5:45, one of only three 45-minute time zones on Earth, set to a meridian running through a peak Nepalis hold sacred.

LRBy Laxman Rawal · Sep 1, 2026 · 3 min read · Updated Sep 22, 2026 · ▶ Web Story

Nepal Runs Its Clocks 15 Minutes Off Even India, and a Sacred Mountain Is the Reason

At a glance

PublishedSep 1, 2026 · updated Sep 22, 2026
TopicFlights & Access
Verified againstWikipedia
Treks coveredEverest Base Camp Trek — 14 Days, Kathmandu & Pokhara Tour — 5 Days

Nepal Standard Time is UTC+5:45 — 15 minutes ahead of India, 15 behind Bangladesh and Bhutan, and one of only three 45-minute offsets anywhere on Earth. Land in Kathmandu and your phone will jump by an odd, specific amount rather than a clean hour or half-hour. That is deliberate, and it is anchored to a mountain.

Young male volunteer in blue shirt holding a clock, symbolizing time management.

Key facts

Nepal runs on UTC+5:45, its own Nepal Standard Time, with no daylight saving.
The standard meridian passes through Gaurishankar, a peak held sacred in Nepali tradition, about 100 km east of Kathmandu.
Nepal moved its clocks forward 15 minutes in 1986, leaving the UTC+5:30 it had shared with India since 1920.
Only three time references on Earth use a 45-minute offset.

Why Nepal chose 45 minutes

Because the clock is set to Nepal’s own meridian rather than borrowed from a neighbour. The line it follows passes through Gaurishankar, so the country’s official midday sits close to the moment the sun is actually highest over the middle of Nepal.

That gives Nepal’s time an anchor that is geographic and cultural at once. For a country wedged between India and China, a clock that belongs to nobody else also reads, quietly, as a statement of independence.

How the clock got there

Nepal has changed its clock twice in a century. Before 1920, Kathmandu kept its own local solar time, UTC+5:41:16. In 1920 the country adopted Indian Standard Time, UTC+5:30, and kept it for 66 years.

In 1986 the government advanced the clocks by 15 minutes to UTC+5:45 — a deliberate 45-minute offset rather than the round 30 or 60 minutes that nearly every other time-zone change in history has used.

From above of faceless travelers with backpacks in casual clothes walking along narrow dirty path in lush green jungle during hiking tour

The world’s other 45-minute time zones

Nepal is one of only three places that use a 45-minute offset, and one of the other two is unofficial. Everywhere else rounds to the hour or the half hour.

The world’s three 45-minute time zones
Where	Offset
Nepal	UTC+5:45
Australian Central Western Time, around Eucla (unofficial)	UTC+8:45
Chatham Islands, New Zealand	UTC+12:45

What time it is back home

Do the full 45-minute sum; half-hour mental maths will not get you there. Most phones handle it automatically, but itineraries, meeting invites and flight connections calculated in round numbers regularly come out wrong.

When it is midday in Kathmandu (standard time, no daylight saving)
City	Local time
New Delhi, India	11:45
Dhaka, Bangladesh	12:15
London, UK	06:15
New York, USA	01:15
Los Angeles, USA	22:15 (previous day)
Sydney, Australia	16:15

Add an hour for any city currently on daylight saving time.

What this means for trekkers

Build a buffer into any connection you calculated by hand. Fly in through Delhi, Doha or Bangkok and the 15-minute gap against India, or the wider gaps against Gulf and Southeast Asian hubs, is exactly the kind of thing that turns a comfortable layover into a sprint.

What this means for you

Set your itinerary’s local times manually rather than trusting an app that assumes every zone rounds to the half hour. The odd clock is one of the smallest, strangest parts of arriving in Nepal — and if the calendar interests you too, Nepal is also living in the year 2083. Most first-time visitors start in the valley on something like the Kathmandu and Pokhara tour, or go straight for the high country on the Everest Base Camp trek.

Sources: Wikipedia, “Nepal Standard Time” and “UTC+05:45”.

Cover photo: बिप्लब आनन्द via Wikimedia Commons (CC BY-SA 3.0). Section photos: Mikhail Nilov via Pexels (Pexels licence); Quang Nguyen Vinh via Pexels (Pexels licence).

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