Kathmandu to AEST
+4h 15mKathmandu
NPTSOURCEAEST
AESTGreen rows indicate typical business hours (9 AM - 5 PM)
NPT and AEST on the World Map
The map below highlights the NPT (Nepal Time) and AEST (Australian Eastern 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.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
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).
Kathmandu vs AEST: Offsets, DST and Best Call Times
Kathmandu runs on Nepal Time (NPT) at UTC+05:45. AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Kathmandu 4 hours 15 minutes ahead of AEST — a difference of +4h 15m at the current offsets.
In practice, when it is 9:00 AM in Kathmandu it is 1:15 PM in AEST. Midnight in Kathmandu is 4:15 AM in AEST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Kathmandu to AEST time conversion table
| Kathmandu (NPT) | AEST (AEST) | Day |
|---|---|---|
| 12:00 AM | 4:15 AM | same day |
| 6:00 AM | 10:15 AM | same day |
| 7:00 AM | 11:15 AM | same day |
| 8:00 AM | 12:15 PM | same day |
| 9:00 AM | 1:15 PM | same day |
| 12:00 PM | 4:15 PM | same day |
| 3:00 PM | 7:15 PM | same day |
| 5:00 PM | 9:15 PM | same day |
| 6:00 PM | 10:15 PM | same day |
| 9:00 PM | 1:15 AM | next day |
Why people convert Kathmandu to AEST time
- Scheduling a call from Kathmandu to AEST: a 10:00 AM start in Kathmandu lands at 2:15 PM in AEST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Kathmandu and AEST are inside the 9-to-5 working day between 9:00 AM and 12:45 PM NPT time (1:15 PM–5:00 PM AEST). That is roughly 3 hours 45 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Kathmandu is 12:15 AM in AEST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM NPT" is unambiguous; "3 PM" across a +4h 15m gap is not.
- Block 9:00 AM–12:45 PM NPT as the recurring meeting window if you work primarily from Kathmandu and need AEST 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 AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
Best time to call between Kathmandu and AEST
Both Kathmandu and AEST sit inside the 9 AM – 5 PM working day between 9:00 AM–12:45 PM NPT, which is 1:15 PM–5:00 PM AEST. That gives roughly 3 hours and 45 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Kathmandu and AEST overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.
Kathmandu is 4 hours 15 minutes ahead of AEST (NPT UTC+05:45 → AEST UTC+10:00). The shared working window is 9:00 AM–12:45 PM NPT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Kathmandu
Does not observe DST
AEST
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
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 AEST?
Kathmandu (NPT, UTC+05:45) is 4 hours 15 minutes ahead of AEST (AEST, UTC+10:00). The gap is currently +4h 15m.
How do I convert Kathmandu time to AEST time?
Add +4h 15m to Kathmandu local time. For example, 9:00 AM in Kathmandu is 1:15 PM in AEST.
What time is it in AEST right now?
AEST uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +4h 15m offset from Kathmandu.
What is the best time to call AEST from Kathmandu?
Call between 9:00 AM and 12:45 PM NPT — that maps to 1:15 PM–5:00 PM AEST and keeps both parties inside the working day.
Which is ahead, Kathmandu or AEST?
Kathmandu is 4 hours 15 minutes ahead of AEST. When it is 12:00 PM in Kathmandu it is 4:15 PM in AEST.
Do Kathmandu and AEST use different time zones?
Kathmandu (Nepal) uses NPT at UTC+05:45, while AEST uses AEST at UTC+10:00. The IANA identifiers are Asia/Kathmandu and Australia/Sydney.
Does daylight saving time affect the Kathmandu–AEST difference?
Neither zone observes daylight saving time, so the +4h 15m offset between Kathmandu and AEST 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 AEST?
Not normally. The +4h 15m gap only pushes the date over for late-evening times.
What is the time difference between Kathmandu and AEST?
AEST is +4h 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 AEST in?
AEST operates on its local timezone.
What are the business hours in Kathmandu?
Standard business hours in Kathmandu are 10:00 AM - 5:00 PM NPT.
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 AEST timezone?
Major cities in the AEST timezone include Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
What is the UTC offset for AEST?
Australian Eastern Standard Time (AEST) is at UTC+10:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEST timezone?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
When is it midnight in Kathmandu, what time is it in AEST?
When it is 12:00 AM (midnight) in Kathmandu (NPT), it is +4h 15m later in AEST (AEST).
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