Honolulu to Nairobi
+13hHonolulu
HSTSOURCENairobi
EATGreen rows indicate typical business hours (9 AM - 5 PM)
HST and EAT on the World Map
The map below highlights the HST (Hawaii Standard Time) and EAT (East Africa Time) timezone regions across the globe.
HST – Hawaii Standard Time
UTC-10:00Hawaii Standard Time (HST) is the time zone for the Hawaiian Islands, 10 hours behind UTC.
- •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).
EAT – East Africa Time
UTC+03:00East Africa Time (EAT) is the time zone for East Africa, 3 hours ahead of UTC.
- •Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'.
- •Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.
- •EAT is the same offset as MSK (Moscow Time).
About Honolulu
WikipediaHonolulu 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.
Pearl Harbor memorial receives over 2 million visitors annually.
About Nairobi
WikipediaNairobi operates on East Africa Time (EAT), UTC+3. As the tech hub of Africa (Silicon Savannah), Nairobi leads African fintech and mobile innovation.
Nairobi National Park is the only national park within a capital city, with lions visible against the skyline.
Time Conversion Guide: Honolulu to Nairobi
Honolulu runs on Hawaii-Aleutian Standard Time (HST) at UTC-10:00. Nairobi runs on East Africa Time (EAT) at UTC+03:00. That puts Honolulu 13 hours ahead of Nairobi — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in Honolulu it is 10:00 PM in Nairobi. Midnight in Honolulu is 1:00 PM in Nairobi. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Honolulu to Nairobi time conversion table
| Honolulu (HST) | Nairobi (EAT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert Honolulu to Nairobi time
- Scheduling a call from Honolulu to Nairobi: a 10:00 AM start in Honolulu lands at 11:00 PM in Nairobi, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: Honolulu and Nairobi 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 Nairobi is 10:00 PM in Honolulu.
- Coordinating a Honolulu-based team with Nairobi contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM HST" is unambiguous; "3 PM" across a +13h gap is not.
- With a +13h gap there is no shared 9-to-5 window, so alternate the early start: one week Honolulu takes the early slot, the next week Nairobi 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 EAT (East Africa Time)
East Africa Time (EAT) is used in the countries of East Africa including Kenya, Ethiopia, Tanzania, Uganda, and others. EAT does not observe daylight saving time and shares the same offset as Moscow Standard Time (MSK).
Best time to call between Honolulu and Nairobi
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. Nairobi opens at 9:00 AM EAT, which is 10:00 PM in Honolulu, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Honolulu and Nairobi have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Honolulu is 13 hours ahead of Nairobi (HST UTC-10:00 → EAT UTC+03:00). 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:
Frequently Asked Questions
What is the time difference between Honolulu and Nairobi?
Honolulu (HST, UTC-10:00) is 13 hours ahead of Nairobi (EAT, UTC+03:00). The gap is currently +13h.
How do I convert Honolulu time to Nairobi time?
Add +13h to Honolulu local time. For example, 9:00 AM in Honolulu is 10:00 PM in Nairobi.
What time is it in Nairobi right now?
Nairobi uses EAT at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Honolulu.
What is the best time to call Nairobi from Honolulu?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Honolulu, which is 2:00 AM in Nairobi.
Which is ahead, Honolulu or Nairobi?
Honolulu is 13 hours ahead of Nairobi. When it is 12:00 PM in Honolulu it is 1:00 AM in Nairobi.
Do Honolulu and Nairobi use different time zones?
Honolulu (USA) uses HST at UTC-10:00, while Nairobi (Kenya) uses EAT at UTC+03:00. The IANA identifiers are Pacific/Honolulu and Africa/Nairobi.
Does daylight saving time affect the Honolulu–Nairobi difference?
Neither zone observes daylight saving time, so the +13h offset between Honolulu and Nairobi 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 Nairobi?
Sometimes. The +13h gap is large enough that 8:00 PM or later in Honolulu already falls on the next day in Nairobi.
What is the time difference between Honolulu and Nairobi?
Nairobi is +13h 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.
What timezone is Nairobi in?
Nairobi operates on East Africa Time (EAT), UTC+3. As the tech hub of Africa (Silicon Savannah), Nairobi leads African fintech and mobile innovation.
What are the business hours in Honolulu?
Standard business hours in Honolulu are 8:00 AM - 5:00 PM HST.
What are the business hours in Nairobi?
Standard business hours in Nairobi are 8:00 AM - 5:00 PM EAT.
What is the best time to schedule a call between Honolulu and Nairobi?
The best overlap for a call is when both cities are in business hours. Honolulu works 8:00 AM - 5:00 PM HST and Nairobi works 8:00 AM - 5:00 PM EAT (+13h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Honolulu and Nairobi?
Honolulu uses USD ($) while Nairobi uses KES (KSh). Check current exchange rates when planning travel or business between these cities.
How do Honolulu and Nairobi compare in size?
Honolulu has a population of approximately 350,000 (metro: 1 million), while Nairobi has approximately 4.4 million (metro: 6.5 million).
What are the major landmarks in Honolulu and Nairobi?
Honolulu is known for Waikiki Beach, Diamond Head, Pearl Harbor. Nairobi is famous for Nairobi National Park, Giraffe Centre, David Sheldrick Wildlife Trust.
Do Honolulu and Nairobi have stock exchanges?
Yes. Honolulu has the N/A (Uses NYSE/NASDAQ) and Nairobi has the NSE (Nairobi Securities Exchange). The +13h time difference affects trading hour overlaps between these exchanges.
Which countries use HST (Hawaii Standard Time)?
HST is used in United States (Hawaii).
Does HST observe daylight saving time?
No, HST does not observe daylight saving time and remains at UTC-10:00 year-round.
What are some interesting 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.
Which cities are in the EAT timezone?
Major cities in the EAT timezone include Nairobi, Addis Ababa, Dar es Salaam, Kampala, Mogadishu, Antananarivo.
What is the UTC offset for EAT?
East Africa Time (EAT) is at UTC+03:00.
What should I know about the EAT timezone?
Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'. Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.
When is it midnight in Honolulu, what time is it in Nairobi?
When it is 12:00 AM (midnight) in Honolulu (HST), it is +13h later in Nairobi (EAT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Honolulu time conversions
- honolulu to new york
- honolulu to los angeles
- honolulu to chicago
- honolulu to denver
- honolulu to anchorage
- honolulu to hst
- honolulu to auckland
- honolulu to london
- honolulu to dubai
- honolulu to tokyo
- honolulu to singapore
- honolulu to sydney
- honolulu to paris
- honolulu to delhi
- honolulu to mumbai
- honolulu to berlin
- honolulu to hong kong
- honolulu to toronto
- honolulu to kathmandu
- new york to honolulu
- london to honolulu
- dubai to honolulu
- tokyo to honolulu
- singapore to honolulu
- sydney to honolulu
- los angeles to honolulu
- paris to honolulu
- delhi to honolulu
- mumbai to honolulu
- berlin to honolulu
- hong kong to honolulu
- toronto to honolulu
- kathmandu to honolulu
See every conversion from Honolulu →·See every conversion from Nairobi →