Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Perth to Kathmandu

-2h 15m

Perth

AWSTSOURCE

Australia · UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Kathmandu

NPT

Nepal · UTC+05:45

HH09

MM45

09:45 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Perth

Kathmandu

12:00 AM

9:45 PM-1

2:00 AM

11:45 PM-1

4:00 AM

1:45 AM

6:00 AM

3:45 AM

8:00 AM

5:45 AM

10:00 AM

7:45 AM

12:00 PM

9:45 AM

2:00 PM

11:45 AM

4:00 PM

1:45 PM

6:00 PM

3:45 PM

8:00 PM

5:45 PM

10:00 PM

7:45 PM

Green 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 Zone

→

NPT Zone

Explore all world timezones interactively →

AWST – Australian Western Standard Time

UTC+08:00

Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.

Countries in AWST

Australia (Western Australia)

Major Cities in AWST

PerthMandurahBunburyGeraldton

Key Facts about AWST

•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.

Daylight Saving:No – UTC+08:00 year-round

Learn more about AWST on Wikipedia

NPT – Nepal Time

UTC+05:45

Nepal 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.

Countries in NPT

Nepal

Major Cities in NPT

KathmanduPokharaLalitpurBharatpurBiratnagar

Key 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.
•Nepal does not observe daylight saving time.
•Nepal is 15 minutes ahead of India, despite sharing a long open border.

Daylight Saving:No – UTC+05:45 year-round

Learn more about NPT on Wikipedia

About Perth

Wikipedia

Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.

Population:2.1 million

Metro:2.2 million

Business Hours:9:00 AM - 5:00 PM AWST

Currency:AUD (A$)

Stock Exchange:ASX (via Sydney)

Key Landmarks

Kings ParkPerth MintElizabeth QuayCottesloe BeachFremantle Prison

Did You Know?

Western Australia does not observe daylight saving time.

Learn more about AWST timezone →

About Kathmandu

Wikipedia

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.

Population:1.4 million

Metro:3.0 million

Business Hours:10:00 AM - 5:00 PM NPT

Currency:NPR (रू)

Stock Exchange:NEPSE (Nepal Stock Exchange)

Key Landmarks

Boudhanath StupaSwayambhunathDurbar SquarePashupatinath TempleGarden of Dreams

Did You Know?

Nepal Time (NPT) is one of only three timezones offset by 45 minutes (UTC+5:45).

Learn more about NPT timezone →

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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

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.