Kathmandu to Perth
+2h 15mKathmandu
NPTSOURCEPerth
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
NPT and AWST on the World Map
The map below highlights the NPT (Nepal Time) and AWST (Australian Western Standard Time) timezone regions across the globe.
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.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
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).
About Perth
WikipediaPerth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
Western Australia does not observe daylight saving time.
Kathmandu vs Perth: Offsets, DST and Best Call Times
Kathmandu runs on Nepal Time (NPT) at UTC+05:45. Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts Kathmandu 2 hours 15 minutes ahead of Perth — a difference of +2h 15m at the current offsets.
In practice, when it is 9:00 AM in Kathmandu it is 11:15 AM in Perth. Midnight in Kathmandu is 2:15 AM in Perth. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Kathmandu to Perth time conversion table
| Kathmandu (NPT) | Perth (AWST) | Day |
|---|---|---|
| 12:00 AM | 2:15 AM | same day |
| 6:00 AM | 8:15 AM | same day |
| 7:00 AM | 9:15 AM | same day |
| 8:00 AM | 10:15 AM | same day |
| 9:00 AM | 11:15 AM | same day |
| 12:00 PM | 2:15 PM | same day |
| 3:00 PM | 5:15 PM | same day |
| 5:00 PM | 7:15 PM | same day |
| 6:00 PM | 8:15 PM | same day |
| 9:00 PM | 11:15 PM | same day |
Why people convert Kathmandu to Perth time
- Scheduling a call from Kathmandu to Perth: a 10:00 AM start in Kathmandu lands at 12:15 PM in Perth, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Kathmandu and Perth are inside the 9-to-5 working day between 9:00 AM and 2:45 PM NPT time (11:15 AM–5:00 PM AWST). That is roughly 5 hours 45 minutes of usable overlap.
- Watching a live event or market open: Kathmandu viewers need 11:15 AM in Perth to catch a 9:00 AM start there, and 9:45 PM if the event is anchored to Kathmandu.
- Always state the zone abbreviation, not just the hour. "3:00 PM NPT" is unambiguous; "3 PM" across a +2h 15m gap is not.
- Block 9:00 AM–2:45 PM NPT as the recurring meeting window if you work primarily from Kathmandu and need Perth colleagues present.
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).
About AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
Best time to call between Kathmandu and Perth
Both Kathmandu and Perth sit inside the 9 AM – 5 PM working day between 9:00 AM–2:45 PM NPT, which is 11:15 AM–5:00 PM AWST. That gives roughly 5 hours and 45 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Kathmandu and Perth share 5 hours of working-hours overlap (9:00 AM–2:45 PM NPT), so scheduling a live meeting is straightforward.
Kathmandu is 2 hours 15 minutes ahead of Perth (NPT UTC+05:45 → AWST UTC+08:00). The shared working window is 9:00 AM–2:45 PM NPT. 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 Kathmandu and Perth?
Kathmandu (NPT, UTC+05:45) is 2 hours 15 minutes ahead of Perth (AWST, UTC+08:00). The gap is currently +2h 15m.
How do I convert Kathmandu time to Perth time?
Add +2h 15m to Kathmandu local time. For example, 9:00 AM in Kathmandu is 11:15 AM in Perth.
What time is it in Perth right now?
Perth uses AWST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h 15m offset from Kathmandu.
What is the best time to call Perth from Kathmandu?
Call between 9:00 AM and 2:45 PM NPT — that maps to 11:15 AM–5:00 PM AWST and keeps both parties inside the working day.
Which is ahead, Kathmandu or Perth?
Kathmandu is 2 hours 15 minutes ahead of Perth. When it is 12:00 PM in Kathmandu it is 2:15 PM in Perth.
Do Kathmandu and Perth use different time zones?
Kathmandu (Nepal) uses NPT at UTC+05:45, while Perth (Australia) uses AWST at UTC+08:00. The IANA identifiers are Asia/Kathmandu and Australia/Perth.
Does daylight saving time affect the Kathmandu–Perth difference?
Neither zone observes daylight saving time, so the +2h 15m offset between Kathmandu and Perth is fixed all year.
Which other cities share Kathmandu's time zone?
NPT also covers Kathmandu, Pokhara, Lalitpur, Bharatpur, Biratnagar.
Which countries use NPT, Kathmandu's zone?
NPT is used in Nepal.
Is there a day difference between Kathmandu and Perth?
Not normally. The +2h 15m gap only pushes the date over for late-evening times.
What is the time difference between Kathmandu and Perth?
Perth is +2h 15m from Kathmandu.
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 timezone is Perth in?
Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
What are the business hours in Kathmandu?
Standard business hours in Kathmandu are 10:00 AM - 5:00 PM NPT.
What are the business hours in Perth?
Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.
What is the best time to schedule a call between Kathmandu and Perth?
The best overlap for a call is when both cities are in business hours. Kathmandu works 10:00 AM - 5:00 PM NPT and Perth works 9:00 AM - 5:00 PM AWST (+2h 15m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Kathmandu and Perth?
Kathmandu uses NPR (रू) while Perth uses AUD (A$). Check current exchange rates when planning travel or business between these cities.
How do Kathmandu and Perth compare in size?
Kathmandu has a population of approximately 1.4 million (metro: 3.0 million), while Perth has approximately 2.1 million (metro: 2.2 million).
What are the major landmarks in Kathmandu and Perth?
Kathmandu is known for Boudhanath Stupa, Swayambhunath, Durbar Square. Perth is famous for Kings Park, Perth Mint, Elizabeth Quay.
Do Kathmandu and Perth have stock exchanges?
Yes. Kathmandu has the NEPSE (Nepal Stock Exchange) and Perth has the ASX (via Sydney). The +2h 15m time difference affects trading hour overlaps between these exchanges.
Which countries use NPT (Nepal Time)?
NPT is used in Nepal.
Does NPT observe daylight saving time?
No, NPT does not observe daylight saving time and remains at UTC+05:45 year-round.
What are some interesting facts about NPT?
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.
Which cities are in the AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in Kathmandu, what time is it in Perth?
When it is 12:00 AM (midnight) in Kathmandu (NPT), it is +2h 15m later in Perth (AWST).
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