MST to Kathmandu
+12h 45mMST
MSTSOURCEKathmandu
NPTGreen rows indicate typical business hours (9 AM - 5 PM)
MST and NPT on the World Map
The map below highlights the MST (Mountain Standard Time) and NPT (Nepal Time) timezone regions across the globe.
MST – Mountain Standard Time
UTC-07:00Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.
- •Arizona does not observe daylight saving time, staying on MST year-round.
- •The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
- •Denver, the 'Mile High City', is the largest city fully in MST.
- •MST covers 6 US states entirely and parts of several others.
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).
Everything You Need to Know About MST and Kathmandu Time
MST runs on Mountain Standard Time (MST) at UTC-07:00. Kathmandu runs on Nepal Time (NPT) at UTC+05:45. That puts MST 12 hours 45 minutes ahead of Kathmandu — a difference of +12h 45m at the current offsets.
In practice, when it is 9:00 AM in MST it is 9:45 PM in Kathmandu. Midnight in MST is 12:45 PM in Kathmandu. Neither zone observes daylight saving time, so the offset between them stays constant all year.
MST to Kathmandu time conversion table
| MST (MST) | Kathmandu (NPT) | Day |
|---|---|---|
| 12:00 AM | 12:45 PM | same day |
| 6:00 AM | 6:45 PM | same day |
| 7:00 AM | 7:45 PM | same day |
| 8:00 AM | 8:45 PM | same day |
| 9:00 AM | 9:45 PM | same day |
| 12:00 PM | 12:45 AM | next day |
| 3:00 PM | 3:45 AM | next day |
| 5:00 PM | 5:45 AM | next day |
| 6:00 PM | 6:45 AM | next day |
| 9:00 PM | 9:45 AM | next day |
Why people convert MST to Kathmandu time
- Scheduling a call from MST to Kathmandu: a 10:00 AM start in MST lands at 10:45 PM in Kathmandu, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +12h 45m gap: MST 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 9:45 PM in MST.
- Watching a live event or market open: MST viewers need 9:45 PM in Kathmandu to catch a 9:00 AM start there, and 11:15 AM if the event is anchored to MST.
- Always state the zone abbreviation, not just the hour. "3:00 PM MST" is unambiguous; "3 PM" across a +12h 45m gap is not.
- With a +12h 45m gap there is no shared 9-to-5 window, so alternate the early start: one week MST takes the early slot, the next week Kathmandu does.
About MST (Mountain Standard Time)
Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).
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 MST and Kathmandu
With a +12h 45m offset there is no overlap inside a normal 9 AM – 5 PM day. Kathmandu opens at 9:00 AM NPT, which is 9:45 PM in MST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
MST and Kathmandu have no shared working hours because of the +12h 45m gap. Teams need to alternate early starts or rely on asynchronous handovers.
MST is 12 hours 45 minutes ahead of Kathmandu (MST UTC-07:00 → 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
MST
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
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 MST and Kathmandu?
MST (MST, UTC-07:00) is 12 hours 45 minutes ahead of Kathmandu (NPT, UTC+05:45). The gap is currently +12h 45m.
How do I convert MST time to Kathmandu time?
Add +12h 45m to MST local time. For example, 9:00 AM in MST is 9:45 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 +12h 45m offset from MST.
What is the best time to call Kathmandu from MST?
There is no shared working-hours window because of the +12h 45m gap. The closest option is 1:00 PM in MST, which is 1:45 AM in Kathmandu.
Which is ahead, MST or Kathmandu?
MST is 12 hours 45 minutes ahead of Kathmandu. When it is 12:00 PM in MST it is 12:45 AM in Kathmandu.
Do MST and Kathmandu use different time zones?
MST uses MST at UTC-07:00, while Kathmandu (Nepal) uses NPT at UTC+05:45. The IANA identifiers are America/Denver and Asia/Kathmandu.
Does daylight saving time affect the MST–Kathmandu difference?
Neither zone observes daylight saving time, so the +12h 45m offset between MST and Kathmandu is fixed all year.
Which other cities share MST's time zone?
MST also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.
Which countries use MST, MST's zone?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Is there a day difference between MST and Kathmandu?
Sometimes. The +12h 45m gap is large enough that 8:00 PM or later in MST already falls on the next day in Kathmandu.
What is the time difference between MST and Kathmandu?
Kathmandu is +12h 45m from MST.
What timezone is MST in?
MST 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 MST (Mountain Standard Time)?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Does MST observe daylight saving time?
Yes, MST switches to MDT during summer months.
What are some interesting facts about MST?
Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
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 MST, what time is it in Kathmandu?
When it is 12:00 AM (midnight) in MST (MST), it is +12h 45m later in Kathmandu (NPT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More MST time conversions
- mst to denver
- mst to mdt
- mst to new york
- mst to london
- mst to dubai
- mst to tokyo
- mst to singapore
- mst to sydney
- mst to los angeles
- mst to paris
- mst to delhi
- mst to mumbai
- mst to berlin
- mst to hong kong
- mst to toronto
- new york to mst
- london to mst
- dubai to mst
- tokyo to mst
- singapore to mst
- sydney to mst
- los angeles to mst
- paris to mst
- delhi to mst
- mumbai to mst
- berlin to mst
- hong kong to mst
- toronto to mst
- kathmandu to mst
See every conversion from MST →·See every conversion from Kathmandu →