Houston to Calgary Time Difference
🇺🇸 Houston is currently 1 hour behind of 🇨🇦 Calgary.
Live Calculator
Atin 🇺🇸 Houston→it will be—in 🇨🇦 Calgary
Open full calculator →DST-accurate · shareable link
Difference
-1h
Business overlap
8h
Distance
2,830 km
Approx. flight
3.3h
Hour-by-Hour: Houston to Calgary
| 🇺🇸 Houston | 🇨🇦 Calgary | Note |
|---|---|---|
| 12:00 AM | 11:00 PM(prev day) | Previous day |
| 1:00 AM | 12:00 AM | |
| 2:00 AM | 1:00 AM | |
| 3:00 AM | 2:00 AM | |
| 4:00 AM | 3:00 AM | |
| 5:00 AM | 4:00 AM | |
| 6:00 AM | 5:00 AM | |
| 7:00 AM | 6:00 AM | |
| 8:00 AM | 7:00 AM | |
| 9:00 AM | 8:00 AM | |
| 10:00 AM | 9:00 AM | |
| 11:00 AM | 10:00 AM | |
| 12:00 PM | 11:00 AM | |
| 1:00 PM | 12:00 PM | |
| 2:00 PM | 1:00 PM | |
| 3:00 PM | 2:00 PM | |
| 4:00 PM | 3:00 PM | |
| 5:00 PM | 4:00 PM | |
| 6:00 PM | 5:00 PM | |
| 7:00 PM | 6:00 PM | |
| 8:00 PM | 7:00 PM | |
| 9:00 PM | 8:00 PM | |
| 10:00 PM | 9:00 PM | |
| 11:00 PM | 10:00 PM |
Daylight Saving Time (DST)
Both Houston and Calgary observe Daylight Saving Time on the same schedule, so the time difference remains constant at 1 hour behind.
Best Meeting Times
There are 8 overlapping business hours between Houston and Calgary (9 AM – 6 PM in each city).
🇺🇸 Houston
10:00 AM – 6:00 PM
🇨🇦 Calgary
9:00 AM – 5:00 PM
Frequently Asked Questions
What is the time difference between Houston and Calgary?
The time difference between Houston and Calgary is currently 1 hour behind. Houston uses CDT (UTC-5), while Calgary uses MDT (UTC-6).
When it's noon in Houston, what time is it in Calgary?
When it's 12:00 PM (noon) in Houston, it is 11:00 AM in Calgary. Use our calculator above to convert any other time.
Does the time difference between Houston and Calgary change?
No. The time difference between Houston and Calgary is always 1 hour behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Houston and Calgary?
The best time to call is between 10:00 AM and 6:00 PM in Houston (which is 9:00 AM – 5:00 PM in Calgary). This 8-hour window falls within business hours in both cities.
Is Houston ahead or behind Calgary?
Houston is currently 1 hour ahead of Calgary.
What time zone is Houston in?
Houston is in the America/Chicago time zone, currently using CDT (UTC-5). Houston observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Houston in Calgary?
When it is midnight (12:00 AM) in Houston, it is 11:00 PM in Calgary.