Perth to Kathmandu
-2h 15mPerth
AWSTSOURCEKathmandu
NPTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and NPT on the World Map
The map below highlights the AWST (Australian Western Standard Time) and NPT (Nepal Time) timezone regions across the globe.
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.
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 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.
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).
Perth vs Kathmandu: Offsets, DST and Best Call Times
Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. Kathmandu runs on Nepal Time (NPT) at UTC+05:45. That puts Perth 2 hours 15 minutes behind Kathmandu — a difference of -2h 15m at the current offsets.
In practice, when it is 9:00 AM in Perth it is 6:45 AM in Kathmandu. Midnight in Perth is 9:45 PM in Kathmandu. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Perth to Kathmandu time conversion table
| Perth (AWST) | Kathmandu (NPT) | Day |
|---|---|---|
| 12:00 AM | 9:45 PM | previous day |
| 6:00 AM | 3:45 AM | same day |
| 7:00 AM | 4:45 AM | same day |
| 8:00 AM | 5:45 AM | same day |
| 9:00 AM | 6:45 AM | same day |
| 12:00 PM | 9:45 AM | same day |
| 3:00 PM | 12:45 PM | same day |
| 5:00 PM | 2:45 PM | same day |
| 6:00 PM | 3:45 PM | same day |
| 9:00 PM | 6:45 PM | same day |
Why people convert Perth to Kathmandu time
- Scheduling a call from Perth to Kathmandu: a 10:00 AM start in Perth lands at 7:45 AM in Kathmandu, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Perth and Kathmandu are inside the 9-to-5 working day between 11:15 AM and 5:00 PM AWST time (9:00 AM–2:45 PM NPT). That is roughly 5 hours 45 minutes of usable overlap.
- Booking travel or deliveries: tracking Kathmandu local time against Perth keeps pickup windows and arrival estimates honest across the -2h 15m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -2h 15m gap is not.
- Block 11:15 AM–5:00 PM AWST as the recurring meeting window if you work primarily from Perth and need Kathmandu colleagues present.
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.
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 Perth and Kathmandu
Both Perth and Kathmandu sit inside the 9 AM – 5 PM working day between 11:15 AM–5:00 PM AWST, which is 9:00 AM–2:45 PM NPT. That gives roughly 5 hours and 45 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Perth and Kathmandu share 5 hours of working-hours overlap (11:15 AM–5:00 PM AWST), so scheduling a live meeting is straightforward.
Perth is 2 hours 15 minutes behind Kathmandu (AWST UTC+08:00 → NPT UTC+05:45). The shared working window is 11:15 AM–5:00 PM AWST. 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 Perth and Kathmandu?
Perth (AWST, UTC+08:00) is 2 hours 15 minutes behind Kathmandu (NPT, UTC+05:45). The gap is currently -2h 15m.
How do I convert Perth time to Kathmandu time?
Add -2h 15m to Perth local time. For example, 9:00 AM in Perth is 6:45 AM 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 -2h 15m offset from Perth.
What is the best time to call Kathmandu from Perth?
Call between 11:15 AM and 5:00 PM AWST — that maps to 9:00 AM–2:45 PM NPT and keeps both parties inside the working day.
Which is behind, Perth or Kathmandu?
Perth is 2 hours 15 minutes behind Kathmandu. When it is 12:00 PM in Perth it is 9:45 AM in Kathmandu.
Do Perth and Kathmandu use different time zones?
Perth (Australia) uses AWST at UTC+08:00, while Kathmandu (Nepal) uses NPT at UTC+05:45. The IANA identifiers are Australia/Perth and Asia/Kathmandu.
Does daylight saving time affect the Perth–Kathmandu difference?
Neither zone observes daylight saving time, so the -2h 15m offset between Perth and Kathmandu is fixed all year.
Which other cities share Perth's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, Perth's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between Perth and Kathmandu?
Not normally. The -2h 15m gap only pushes the date over the previous day.
What is the time difference between Perth and Kathmandu?
Kathmandu is -2h 15m from Perth.
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 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 Perth?
Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.
What are the business hours in Kathmandu?
Standard business hours in Kathmandu are 10:00 AM - 5:00 PM NPT.
What is the best time to schedule a call between Perth and Kathmandu?
The best overlap for a call is when both cities are in business hours. Perth works 9:00 AM - 5:00 PM AWST and Kathmandu works 10:00 AM - 5:00 PM NPT (-2h 15m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Perth and Kathmandu?
Perth uses AUD (A$) while Kathmandu uses NPR (रू). Check current exchange rates when planning travel or business between these cities.
How do Perth and Kathmandu compare in size?
Perth has a population of approximately 2.1 million (metro: 2.2 million), while Kathmandu has approximately 1.4 million (metro: 3.0 million).
What are the major landmarks in Perth and Kathmandu?
Perth is known for Kings Park, Perth Mint, Elizabeth Quay. Kathmandu is famous for Boudhanath Stupa, Swayambhunath, Durbar Square.
Do Perth and Kathmandu have stock exchanges?
Yes. Perth has the ASX (via Sydney) and Kathmandu has the NEPSE (Nepal Stock Exchange). The -2h 15m time difference affects trading hour overlaps between these exchanges.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
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 Perth, what time is it in Kathmandu?
When it is 12:00 AM (midnight) in Perth (AWST), it is -2h 15m later in Kathmandu (NPT).
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