NPT to Riyadh
-2h 45mNPT
NPTSOURCERiyadh
ASTGreen rows indicate typical business hours (9 AM - 5 PM)
NPT and AST on the World Map
The map below highlights the NPT (Nepal Time) and AST (Arabia 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.
AST – Arabia Standard Time
UTC+03:00Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.
- •None of the Gulf states on Arabia Standard Time observe daylight saving.
- •AST is the same offset as Moscow Standard Time and East Africa Time.
- •Riyadh is one hour ahead of Central European Time in winter.
- •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
About Riyadh
WikipediaRiyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.
Riyadh is growing rapidly as part of Saudi Vision 2030 modernization.
Comparing Time Zones: NPT and Riyadh
NPT runs on Nepal Time (NPT) at UTC+05:45. Riyadh runs on Arabian Standard Time (AST) at UTC+03:00. That puts NPT 2 hours 45 minutes behind Riyadh — a difference of -2h 45m at the current offsets.
In practice, when it is 9:00 AM in NPT it is 6:15 AM in Riyadh. Midnight in NPT is 9:15 PM in Riyadh. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NPT to Riyadh time conversion table
| NPT (NPT) | Riyadh (AST) | Day |
|---|---|---|
| 12:00 AM | 9:15 PM | previous day |
| 6:00 AM | 3:15 AM | same day |
| 7:00 AM | 4:15 AM | same day |
| 8:00 AM | 5:15 AM | same day |
| 9:00 AM | 6:15 AM | same day |
| 12:00 PM | 9:15 AM | same day |
| 3:00 PM | 12:15 PM | same day |
| 5:00 PM | 2:15 PM | same day |
| 6:00 PM | 3:15 PM | same day |
| 9:00 PM | 6:15 PM | same day |
Why people convert NPT to Riyadh time
- Scheduling a call from NPT to Riyadh: a 10:00 AM start in NPT lands at 7:15 AM in Riyadh, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both NPT and Riyadh are inside the 9-to-5 working day between 11:45 AM and 5:00 PM NPT time (9:00 AM–2:15 PM AST). That is roughly 5 hours 15 minutes of usable overlap.
- Booking travel or deliveries: tracking Riyadh local time against NPT keeps pickup windows and arrival estimates honest across the -2h 45m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM NPT" is unambiguous; "3 PM" across a -2h 45m gap is not.
- Block 11:45 AM–5:00 PM NPT as the recurring meeting window if you work primarily from NPT and need Riyadh 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 AST (Arabia Standard Time)
Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.
Best time to call between NPT and Riyadh
Both NPT and Riyadh sit inside the 9 AM – 5 PM working day between 11:45 AM–5:00 PM NPT, which is 9:00 AM–2:15 PM AST. That gives roughly 5 hours and 15 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
NPT and Riyadh share 5 hours of working-hours overlap (11:45 AM–5:00 PM NPT), so scheduling a live meeting is straightforward.
NPT is 2 hours 45 minutes behind Riyadh (NPT UTC+05:45 → AST UTC+03:00). The shared working window is 11:45 AM–5:00 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 NPT and Riyadh?
NPT (NPT, UTC+05:45) is 2 hours 45 minutes behind Riyadh (AST, UTC+03:00). The gap is currently -2h 45m.
How do I convert NPT time to Riyadh time?
Add -2h 45m to NPT local time. For example, 9:00 AM in NPT is 6:15 AM in Riyadh.
What time is it in Riyadh right now?
Riyadh uses AST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h 45m offset from NPT.
What is the best time to call Riyadh from NPT?
Call between 11:45 AM and 5:00 PM NPT — that maps to 9:00 AM–2:15 PM AST and keeps both parties inside the working day.
Which is behind, NPT or Riyadh?
NPT is 2 hours 45 minutes behind Riyadh. When it is 12:00 PM in NPT it is 9:15 AM in Riyadh.
Do NPT and Riyadh use different time zones?
NPT uses NPT at UTC+05:45, while Riyadh (Saudi Arabia) uses AST at UTC+03:00. The IANA identifiers are Asia/Kathmandu and Asia/Riyadh.
Does daylight saving time affect the NPT–Riyadh difference?
Neither zone observes daylight saving time, so the -2h 45m offset between NPT and Riyadh is fixed all year.
Which other cities share NPT's time zone?
NPT also covers Kathmandu, Pokhara, Lalitpur, Bharatpur, Biratnagar.
Which countries use NPT, NPT's zone?
NPT is used in Nepal.
Is there a day difference between NPT and Riyadh?
Not normally. The -2h 45m gap only pushes the date over the previous day.
What is the time difference between NPT and Riyadh?
Riyadh is -2h 45m from NPT.
What timezone is NPT in?
NPT operates on its local timezone.
What timezone is Riyadh in?
Riyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.
What are the business hours in Riyadh?
Standard business hours in Riyadh are 8:00 AM - 4:00 PM AST (Sunday-Thursday).
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 AST timezone?
Major cities in the AST timezone include Riyadh, Jeddah, Doha, Kuwait City, Baghdad.
What is the UTC offset for AST?
Arabia Standard Time (AST) is at UTC+03:00.
What should I know about the AST timezone?
None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.
When is it midnight in NPT, what time is it in Riyadh?
When it is 12:00 AM (midnight) in NPT (NPT), it is -2h 45m later in Riyadh (AST).
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