Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Denver uses the USD ($) and Calgary uses the CAD ($). Conversations can stay in English, which is official in both countries. Cars drive on the right in both, so rentals feel familiar.
- Country
- United States
- Capital
- Washington, D.C.
- Currency
- United States dollar (USD · $)
- Language
- English
- Calling code
- +1
- Drives on
- Right
- Country
- Canada
- Capital
- Ottawa
- Currency
- Canadian dollar (CAD · $)
- Language
- English, French
- Calling code
- +1
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between Denver and Calgary?
Denver and Calgary share the same offset (GMT-6), so there's no difference right now.
When's the best time to schedule a meeting?
There are 8 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is Denver from Calgary?
About 1,441 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 2h 12m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do Denver and Calgary use?
Denver uses the United States dollar (USD, $); Calgary uses the Canadian dollar (CAD, $). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call Denver from Calgary?
Dial the international prefix used by your carrier (often 011), then +1, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in Denver and Calgary?
Both United States and Canada count English among their official languages, so business meetings often skip translation. Denver also has no other official tongue; Calgary adds French.
Do Denver and Calgary drive on the same side of the road?
Yes — both drive on the right. Rental cars feel identical between the two.