EST to Kathmandu
+10h 45mEST
ESTSOURCEKathmandu
NPTGreen rows indicate typical business hours (9 AM - 5 PM)
EST and NPT on the World Map
The map below highlights the EST (Eastern Standard Time) and NPT (Nepal Time) timezone regions across the globe.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •EST is the most widely used time zone in the United States by population.
- •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
- •23 US states are fully or partially in the Eastern Time Zone.
- •EST was established by the Standard Time Act of 1918.
- •Over 47% of the US population lives in the Eastern Time Zone.
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.
About Kathmandu
WikipediaKathmandu operates on Nepal Time (NPT), one of the world's unique UTC+5:45 timezones. This 15-minute offset from India makes Nepal time distinctive for global coordination.
Nepal Time (NPT) is one of only three timezones offset by 45 minutes (UTC+5:45).
Comparing Time Zones: EST and Kathmandu
EST runs on Eastern Standard Time (EST) at UTC-05:00. Kathmandu runs on Nepal Time (NPT) at UTC+05:45. That puts EST 10 hours 45 minutes ahead of Kathmandu — a difference of +10h 45m at the current offsets.
In practice, when it is 9:00 AM in EST it is 7:45 PM in Kathmandu. Midnight in EST is 10:45 AM in Kathmandu. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EST to Kathmandu time conversion table
| EST (EST) | Kathmandu (NPT) | Day |
|---|---|---|
| 12:00 AM | 10:45 AM | same day |
| 6:00 AM | 4:45 PM | same day |
| 7:00 AM | 5:45 PM | same day |
| 8:00 AM | 6:45 PM | same day |
| 9:00 AM | 7:45 PM | same day |
| 12:00 PM | 10:45 PM | same day |
| 3:00 PM | 1:45 AM | next day |
| 5:00 PM | 3:45 AM | next day |
| 6:00 PM | 4:45 AM | next day |
| 9:00 PM | 7:45 AM | next day |
Why people convert EST to Kathmandu time
- Scheduling a call from EST to Kathmandu: a 10:00 AM start in EST lands at 8:45 PM in Kathmandu, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +10h 45m gap: EST and Kathmandu have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Kathmandu is 7:45 PM in EST.
- Keeping family and friends in sync: knowing that 8:00 PM in EST is 6:45 AM in Kathmandu makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM EST" is unambiguous; "3 PM" across a +10h 45m gap is not.
- With a +10h 45m gap there is no shared 9-to-5 window, so alternate the early start: one week EST takes the early slot, the next week Kathmandu does.
About EST (Eastern Standard Time)
Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.
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 EST and Kathmandu
With a +10h 45m offset there is no overlap inside a normal 9 AM – 5 PM day. Kathmandu opens at 9:00 AM NPT, which is 7:45 PM in EST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
EST and Kathmandu have no shared working hours because of the +10h 45m gap. Teams need to alternate early starts or rely on asynchronous handovers.
EST is 10 hours 45 minutes ahead of Kathmandu (EST UTC-05:00 → NPT UTC+05:45). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
EST
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
Kathmandu
Does not observe DST
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 EST and Kathmandu?
EST (EST, UTC-05:00) is 10 hours 45 minutes ahead of Kathmandu (NPT, UTC+05:45). The gap is currently +10h 45m.
How do I convert EST time to Kathmandu time?
Add +10h 45m to EST local time. For example, 9:00 AM in EST is 7:45 PM in Kathmandu.
What time is it in Kathmandu right now?
Kathmandu 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 +10h 45m offset from EST.
What is the best time to call Kathmandu from EST?
There is no shared working-hours window because of the +10h 45m gap. The closest option is 1:00 PM in EST, which is 11:45 PM in Kathmandu.
Which is ahead, EST or Kathmandu?
EST is 10 hours 45 minutes ahead of Kathmandu. When it is 12:00 PM in EST it is 10:45 PM in Kathmandu.
Do EST and Kathmandu use different time zones?
EST uses EST at UTC-05:00, while Kathmandu (Nepal) uses NPT at UTC+05:45. The IANA identifiers are America/New_York and Asia/Kathmandu.
Does daylight saving time affect the EST–Kathmandu difference?
Neither zone observes daylight saving time, so the +10h 45m offset between EST and Kathmandu is fixed all year.
Which other cities share EST's time zone?
EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.
Which countries use EST, EST's zone?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.
Is there a day difference between EST and Kathmandu?
Not normally. The +10h 45m gap only pushes the date over for late-evening times.
What is the time difference between EST and Kathmandu?
Kathmandu is +10h 45m from EST.
What timezone is EST in?
EST operates on its local timezone.
What timezone is Kathmandu in?
Kathmandu operates on Nepal Time (NPT), one of the world's unique UTC+5:45 timezones. This 15-minute offset from India makes Nepal time distinctive for global coordination.
What are the business hours in Kathmandu?
Standard business hours in Kathmandu are 10:00 AM - 5:00 PM NPT.
Which countries use EST (Eastern Standard Time)?
EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.
Does EST observe daylight saving time?
Yes, EST switches to EDT during summer months.
What are some interesting facts about EST?
EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
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 EST, what time is it in Kathmandu?
When it is 12:00 AM (midnight) in EST (EST), it is +10h 45m later in Kathmandu (NPT).
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