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.

Honolulu to NPT

+15h 45m

Honolulu

HSTSOURCE

USA · UTC-10:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

NPT

UTC+05:45

HH03

MM45

(next day)03:45 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Honolulu

NPT

12:00 AM

3:45 PM

2:00 AM

5:45 PM

4:00 AM

7:45 PM

6:00 AM

9:45 PM

8:00 AM

11:45 PM

10:00 AM

1:45 AM+1

12:00 PM

3:45 AM+1

2:00 PM

5:45 AM+1

4:00 PM

7:45 AM+1

6:00 PM

9:45 AM+1

8:00 PM

11:45 AM+1

10:00 PM

1:45 PM+1

Green rows indicate typical business hours (9 AM - 5 PM)

HST and NPT on the World Map

The map below highlights the HST (Hawaii Standard Time) and NPT (Nepal Time) timezone regions across the globe.

HST Zone

→

NPT Zone

Explore all world timezones interactively →

HST – Hawaii Standard Time

UTC-10:00

Hawaii Standard Time (HST) is the time zone for the Hawaiian Islands, 10 hours behind UTC.

Countries in HST

United States (Hawaii)

Major Cities in HST

HonoluluHiloKailuaPearl CityKapolei

Key Facts about HST

•Hawaii does not observe daylight saving time.
•HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
•Hawaii is one of only two US states that don't observe DST (the other is Arizona).

Daylight Saving:No – UTC-10:00 year-round

Learn more about HST 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 Honolulu

Wikipedia

Honolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.

Population:350,000

Metro:1 million

Business Hours:8:00 AM - 5:00 PM HST

Currency:USD ($)

Key Landmarks

Waikiki BeachDiamond HeadPearl HarborIolani PalaceHanauma Bay

Did You Know?

Pearl Harbor memorial receives over 2 million visitors annually.

Learn more about HST timezone →

Honolulu vs NPT: Offsets, DST and Best Call Times

Honolulu runs on Hawaii-Aleutian Standard Time (HST) at UTC-10:00. NPT runs on Nepal Time (NPT) at UTC+05:45. That puts Honolulu 15 hours 45 minutes ahead of NPT — a difference of +15h 45m at the current offsets.

In practice, when it is 9:00 AM in Honolulu it is 12:45 AM in NPT on the next day. Midnight in Honolulu is 3:45 PM in NPT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Honolulu to NPT time conversion table

Honolulu (HST)	NPT (NPT)	Day
12:00 AM	3:45 PM	same day
6:00 AM	9:45 PM	same day
7:00 AM	10:45 PM	same day
8:00 AM	11:45 PM	same day
9:00 AM	12:45 AM	next day
12:00 PM	3:45 AM	next day
3:00 PM	6:45 AM	next day
5:00 PM	8:45 AM	next day
6:00 PM	9:45 AM	next day
9:00 PM	12:45 PM	next day

Why people convert Honolulu to NPT time

Scheduling a call from Honolulu to NPT: a 10:00 AM start in Honolulu lands at 1:45 AM in NPT the next day, so you can confirm the slot without doing the arithmetic yourself.
Handling a +15h 45m gap: Honolulu and NPT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in NPT is 12:45 AM in Honolulu.
Booking travel or deliveries: tracking NPT local time against Honolulu keeps pickup windows and arrival estimates honest across the +15h 45m offset.

Always state the zone abbreviation, not just the hour. "3:00 PM HST" is unambiguous; "3 PM" across a +15h 45m gap is not.
With a +15h 45m gap there is no shared 9-to-5 window, so alternate the early start: one week Honolulu takes the early slot, the next week NPT does.

About HST (Hawaii Standard Time)

Hawaii Standard Time (HST) is used in the state of Hawaii and does not observe daylight saving time. This makes HST one of the most consistent time zones in the US. The Hawaiian Islands are among the last places on Earth to see a new calendar day.

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 Honolulu and NPT

With a +15h 45m offset there is no overlap inside a normal 9 AM – 5 PM day. NPT opens at 9:00 AM NPT, which is 12:45 AM in Honolulu, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Honolulu and NPT have no shared working hours because of the +15h 45m gap. Teams need to alternate early starts or rely on asynchronous handovers.

Honolulu is 15 hours 45 minutes ahead of NPT (HST UTC-10:00 → NPT UTC+05:45). There is no shared 9-to-5 window, so plan around an early or late slot. 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 Honolulu and NPT?

Honolulu (HST, UTC-10:00) is 15 hours 45 minutes ahead of NPT (NPT, UTC+05:45). The gap is currently +15h 45m.

How do I convert Honolulu time to NPT time?

Add +15h 45m to Honolulu local time. For example, 9:00 AM in Honolulu is 12:45 AM in NPT (next day).

What time is it in NPT right now?

NPT 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 +15h 45m offset from Honolulu.

What is the best time to call NPT from Honolulu?

There is no shared working-hours window because of the +15h 45m gap. The closest option is 1:00 PM in Honolulu, which is 4:45 AM in NPT.

Which is ahead, Honolulu or NPT?

Honolulu is 15 hours 45 minutes ahead of NPT. When it is 12:00 PM in Honolulu it is 3:45 AM in NPT.

Do Honolulu and NPT use different time zones?

Honolulu (USA) uses HST at UTC-10:00, while NPT uses NPT at UTC+05:45. The IANA identifiers are Pacific/Honolulu and Asia/Kathmandu.

Does daylight saving time affect the Honolulu–NPT difference?

Neither zone observes daylight saving time, so the +15h 45m offset between Honolulu and NPT is fixed all year.

Which other cities share Honolulu's time zone?

HST also covers Honolulu, Hilo, Kailua, Pearl City, Kapolei.

Which countries use HST, Honolulu's zone?

HST is used in United States (Hawaii).

Is there a day difference between Honolulu and NPT?

Sometimes. The +15h 45m gap is large enough that 8:00 PM or later in Honolulu already falls on the next day in NPT.

What is the time difference between Honolulu and NPT?

NPT is +15h 45m from Honolulu.

What timezone is Honolulu in?

Honolulu operates on Hawaii Standard Time (HST), UTC-10 with no daylight saving. Hawaii's consistent time makes it a predictable connection between Asia and mainland USA.