IST to Nepal
+0h 15mIST
ISTSOURCENepal
NPTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and NPT on the World Map
The map below highlights the IST (India Standard Time) and NPT (Nepal Time) timezone regions across the globe.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
- •India uses a single time zone despite spanning 30° of longitude.
- •IST is one of only a handful of time zones with a 30-minute offset.
- •IST is the most populous single time zone in the world with over 1.4 billion people.
- •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
NPT – Nepal Time
UTC+05:45Nepal Time (NPT, UTC+05:45) is the time zone for Nepal — one of the few offsets in the world set on a 45-minute increment.
- •Nepal Time is UTC+05:45 — a 45-minute offset, not a whole or half hour.
- •The 45-minute offset was adopted in 1986 to match Kathmandu's solar time.
- •Nepal does not observe daylight saving time.
- •Nepal is 15 minutes ahead of India, despite sharing a long open border.
Time Conversion Guide: IST to Nepal
IST runs on India Standard Time (IST) at UTC+05:30. Nepal runs on Nepal Time (NPT) at UTC+05:45. That puts IST 15 minutes ahead of Nepal — a difference of +0h 15m at the current offsets.
In practice, when it is 9:00 AM in IST it is 9:15 AM in Nepal. Midnight in IST is 12:15 AM in Nepal. Neither zone observes daylight saving time, so the offset between them stays constant all year.
IST to Nepal time conversion table
| IST (IST) | Nepal (NPT) | Day |
|---|---|---|
| 12:00 AM | 12:15 AM | same day |
| 6:00 AM | 6:15 AM | same day |
| 7:00 AM | 7:15 AM | same day |
| 8:00 AM | 8:15 AM | same day |
| 9:00 AM | 9:15 AM | same day |
| 12:00 PM | 12:15 PM | same day |
| 3:00 PM | 3:15 PM | same day |
| 5:00 PM | 5:15 PM | same day |
| 6:00 PM | 6:15 PM | same day |
| 9:00 PM | 9:15 PM | same day |
Why people convert IST to Nepal time
- Scheduling a call from IST to Nepal: a 10:00 AM start in IST lands at 10:15 AM in Nepal, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both IST and Nepal are inside the 9-to-5 working day between 9:00 AM and 4:45 PM IST time (9:15 AM–5:00 PM NPT). That is roughly 7 hours 45 minutes of usable overlap.
- Booking travel or deliveries: tracking Nepal local time against IST keeps pickup windows and arrival estimates honest across the +0h 15m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a +0h 15m gap is not.
- Block 9:00 AM–4:45 PM IST as the recurring meeting window if you work primarily from IST and need Nepal colleagues present.
About IST (India Standard Time)
India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.
About NPT (Nepal Time)
Nepal Time (NPT) runs at UTC+05:45, one of only a handful of time zones worldwide that are not a whole or half hour from UTC. Nepal set its offset to 5 hours 45 minutes ahead of UTC in 1986 to mark the country's position between the 75°E and 90°E meridians; Kathmandu's solar time sits just over 5 hours 41 minutes ahead of Greenwich, so the 45-minute offset tracks the sun more closely than either 5:30 or 6:00 would. Nepal does not observe daylight saving time, so NPT is fixed all year. The offset makes Nepal 15 minutes ahead of India Standard Time (UTC+05:30) and 2 hours 15 minutes ahead of Dubai (UTC+04:00).
Best time to call between IST and Nepal
Both IST and Nepal sit inside the 9 AM – 5 PM working day between 9:00 AM–4:45 PM IST, which is 9:15 AM–5:00 PM NPT. That gives roughly 7 hours and 45 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
IST and Nepal share 7 hours of working-hours overlap (9:00 AM–4:45 PM IST), so scheduling a live meeting is straightforward.
IST is 15 minutes ahead of Nepal (IST UTC+05:30 → NPT UTC+05:45). The shared working window is 9:00 AM–4:45 PM IST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between IST and Nepal?
IST (IST, UTC+05:30) is 15 minutes ahead of Nepal (NPT, UTC+05:45). The gap is currently +0h 15m.
How do I convert IST time to Nepal time?
Add +0h 15m to IST local time. For example, 9:00 AM in IST is 9:15 AM in Nepal.
What time is it in Nepal right now?
Nepal uses NPT at UTC+05:45. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h 15m offset from IST.
What is the best time to call Nepal from IST?
Call between 9:00 AM and 4:45 PM IST — that maps to 9:15 AM–5:00 PM NPT and keeps both parties inside the working day.
Which is ahead, IST or Nepal?
IST is 15 minutes ahead of Nepal. When it is 12:00 PM in IST it is 12:15 PM in Nepal.
Do IST and Nepal use different time zones?
IST uses IST at UTC+05:30, while Nepal (Nepal) uses NPT at UTC+05:45. The IANA identifiers are Asia/Kolkata and Asia/Kathmandu.
Does daylight saving time affect the IST–Nepal difference?
Neither zone observes daylight saving time, so the +0h 15m offset between IST and Nepal is fixed all year.
Which other cities share IST's time zone?
IST also covers Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad and 4 more.
Which countries use IST, IST's zone?
IST is used in India, Sri Lanka.
Is there a day difference between IST and Nepal?
Not normally. The +0h 15m gap only pushes the date over for late-evening times.
What is the time difference between IST and Nepal?
Nepal is +0h 15m from IST.
What timezone is IST in?
IST operates on its local timezone.
What timezone is Nepal in?
Nepal operates on its local timezone.
Which countries use IST (India Standard Time)?
IST is used in India, Sri Lanka.
Does IST observe daylight saving time?
No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.
What are some interesting facts about IST?
India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.
Which cities are in the NPT timezone?
Major cities in the NPT timezone include Kathmandu, Pokhara, Lalitpur, Bharatpur, Biratnagar.
What is the UTC offset for NPT?
Nepal Time (NPT) is at UTC+05:45.
What should I know about the NPT timezone?
Nepal Time is UTC+05:45 — a 45-minute offset, not a whole or half hour. The 45-minute offset was adopted in 1986 to match Kathmandu's solar time.
When is it midnight in IST, what time is it in Nepal?
When it is 12:00 AM (midnight) in IST (IST), it is +0h 15m later in Nepal (NPT).
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