Edmonton to HST
-4hEdmonton
MDTSOURCEHST
HSTGreen rows indicate typical business hours (9 AM - 5 PM)
MDT and HST on the World Map
The map below highlights the MDT (Mountain Standard Time) and HST (Hawaii Standard Time) timezone regions across the globe.
MST – Mountain Standard Time
UTC-07:00Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.
- •Arizona does not observe daylight saving time, staying on MST year-round.
- •The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
- •Denver, the 'Mile High City', is the largest city fully in MST.
- •MST covers 6 US states entirely and parts of several others.
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).
About Edmonton
WikipediaEdmonton operates on Mountain Time (MST/MDT), same as Denver. As Alberta's capital and an energy hub, Edmonton time aligns with Western Canadian markets.
The city has the most extensive urban parkland in North America.
Everything You Need to Know About Edmonton and HST Time
Edmonton runs on Mountain Daylight Time (MDT) at UTC-06:00, currently observing daylight saving time. HST runs on Hawaii Standard Time (HST) at UTC-10:00. That puts Edmonton 4 hours behind HST — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in Edmonton it is 5:00 AM in HST. Midnight in Edmonton is 8:00 PM in HST.Edmonton observes daylight saving time while HST does not, so the gap narrows or widens by an hour part of the year.
Edmonton to HST time conversion table
| Edmonton (MDT) | HST (HST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert Edmonton to HST time
- Scheduling a call from Edmonton to HST: a 10:00 AM start in Edmonton lands at 6:00 AM in HST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Edmonton and HST are inside the 9-to-5 working day between 1:00 PM and 5:00 PM MDT time (9:00 AM–1:00 PM HST). That is roughly 4 hours of usable overlap.
- Booking travel or deliveries: tracking HST local time against Edmonton keeps pickup windows and arrival estimates honest across the -4h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM MDT as the recurring meeting window if you work primarily from Edmonton and need HST colleagues present.
- Edmonton: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the -4h gap.
About MST (Mountain Standard Time)
Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).
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.
Best time to call between Edmonton and HST
Both Edmonton and HST sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM MDT, which is 9:00 AM–1:00 PM HST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Edmonton and HST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
Edmonton is 4 hours behind HST (MDT UTC-06:00 → HST UTC-10:00). The shared working window is 1:00 PM–5:00 PM MDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Edmonton
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
HST
Does not observe DST
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 Edmonton and HST?
Edmonton (MDT, UTC-06:00) is 4 hours behind HST (HST, UTC-10:00). The gap is currently -4h.
How do I convert Edmonton time to HST time?
Add -4h to Edmonton local time. For example, 9:00 AM in Edmonton is 5:00 AM in HST.
What time is it in HST right now?
HST uses HST 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 offset from Edmonton.
What is the best time to call HST from Edmonton?
Call between 1:00 PM and 5:00 PM MDT — that maps to 9:00 AM–1:00 PM HST and keeps both parties inside the working day.
Which is behind, Edmonton or HST?
Edmonton is 4 hours behind HST. When it is 12:00 PM in Edmonton it is 8:00 AM in HST.
Do Edmonton and HST use different time zones?
Edmonton (Canada) uses MDT at UTC-06:00, while HST uses HST at UTC-10:00. The IANA identifiers are America/Edmonton and Pacific/Honolulu.
Does daylight saving time affect the Edmonton–HST difference?
Yes at the moment: Edmonton is on daylight saving time and HST is not, so the -4h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Edmonton's time zone?
MDT also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.
Which countries use MDT, Edmonton's zone?
MDT is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Is there a day difference between Edmonton and HST?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between Edmonton and HST?
HST is -4h from Edmonton.
What timezone is Edmonton in?
Edmonton operates on Mountain Time (MST/MDT), same as Denver. As Alberta's capital and an energy hub, Edmonton time aligns with Western Canadian markets.
What timezone is HST in?
HST operates on its local timezone.
What are the business hours in Edmonton?
Standard business hours in Edmonton are 8:00 AM - 5:00 PM MST.
Which countries use MST (Mountain Standard Time)?
MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).
Does MST observe daylight saving time?
Yes, MST switches to MDT during summer months.
What are some interesting facts about MST?
Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
Which cities are in the HST timezone?
Major cities in the HST timezone include Honolulu, Hilo, Kailua, Pearl City, Kapolei.
What is the UTC offset for HST?
Hawaii Standard Time (HST) is at UTC-10:00.
What should I know about the HST timezone?
Hawaii does not observe daylight saving time. HST is 5 hours behind EST in winter and 6 hours behind EDT in summer.
When is it midnight in Edmonton, what time is it in HST?
When it is 12:00 AM (midnight) in Edmonton (MST), it is -4h later in HST (HST).
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