Calgary Time to EST Converter
EST is 1 hour ahead of MDT. 9:00 AM MDT = 10:00 AM EST.
EST is 1 hour ahead of MDT at the moment. To convert Calgary Time to EST, add 1 hour to the Calgary Time time: 9:00 AM MDT = 10:00 AM EST.
Calgary Time (Calgary time) is used in Calgary, Canada. EST (Eastern Time) is used in New York, Washington DC, Florida, Georgia, Ohio, Michigan, Ontario, Quebec, Panama and Jamaica (all year).
Calgary Time to EST time conversion table
Calgary Time to EST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Calgary Time | EST | Day |
|---|---|---|
| 12:00 AM MDT | 1:00 AM EST | night |
| 1:00 AM MDT | 2:00 AM EST | night |
| 2:00 AM MDT | 3:00 AM EST | night |
| 3:00 AM MDT | 4:00 AM EST | night |
| 4:00 AM MDT | 5:00 AM EST | night |
| 5:00 AM MDT | 6:00 AM EST | — |
| 6:00 AM MDT | 7:00 AM EST | — |
| 7:00 AM MDT | 8:00 AM EST | — |
| 8:00 AM MDT | 9:00 AM EST | — |
| 9:00 AM MDT | 10:00 AM EST | work hours |
| 10:00 AM MDT | 11:00 AM EST | work hours |
| 11:00 AM MDT | 12:00 PM EST | work hours |
| 12:00 PM MDT | 1:00 PM EST | work hours |
| 1:00 PM MDT | 2:00 PM EST | work hours |
| 2:00 PM MDT | 3:00 PM EST | work hours |
| 3:00 PM MDT | 4:00 PM EST | work hours |
| 4:00 PM MDT | 5:00 PM EST | — |
| 5:00 PM MDT | 6:00 PM EST | — |
| 6:00 PM MDT | 7:00 PM EST | — |
| 7:00 PM MDT | 8:00 PM EST | — |
| 8:00 PM MDT | 9:00 PM EST | — |
| 9:00 PM MDT | 10:00 PM EST | night |
| 10:00 PM MDT | 11:00 PM EST | night |
| 11:00 PM MDT | 12:00 AM EST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Calgary Time to EST
Add 1 hour to the Calgary Time time to get EST.
Example: 9:00 AM MDT = 10:00 AM EST.
Across midnight: 11:00 PM MDT = 12:00 AM EST (next day). The date changes, so always check the day as well as the hour.
Time difference between Calgary Time and EST
The time difference between Calgary Time and EST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 31 Oct 2026: EST is 2 hours ahead of Calgary Time.
- 1 Nov 2026 – 30 Dec 2026: EST is 1 hour ahead of Calgary Time.
Calgary Time and EST during daylight saving time
- Calgary Time does not observe daylight saving time; it stays on UTC−6 all year.
- EST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between Calgary Time and EST
Calgary Time and EST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM MDT lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
Calgary Time to EST FAQ
What is the time difference between Calgary Time and EST?
Right now EST is 1 hour ahead of MDT. The gap changes 2 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Calgary Time in EST?
9:00 AM MDT is 10:00 AM EST.
What is 12 PM (noon) Calgary Time in EST?
12:00 PM MDT is 1:00 PM EST.
Is EST ahead of or behind Calgary Time?
EST is 1 hour ahead of MDT, so it is later in EST than in Calgary Time.
Does Calgary Time change for daylight saving time?
No. Calgary Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does EST change for daylight saving time?
Yes. EST next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between Calgary Time and EST?
Calgary Time and EST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM MDT lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
Is ET the same as EST?
EST is the winter (standard) name of Eastern Time (ET). From March to November the same clocks are called EDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert EST to Calgary Time
Convert Calgary Time to other time zones
Convert other time zones to EST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.