PDT to Denver
+1hPDT
PDTSOURCEDenver
MDTGreen rows indicate typical business hours (9 AM - 5 PM)
PDT and MDT on the World Map
The map below highlights the PDT (Pacific Daylight Time) and MDT (Mountain Standard Time) timezone regions across the globe.
PDT – Pacific Daylight Time
UTC-07:00Pacific Daylight Time (PDT) is the daylight saving offset on the US/Canada Pacific coast, 7 hours behind UTC.
- •PDT aligns with MST at UTC-07:00.
- •Tech company earnings calls often reference PDT/PST times.
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.
About Denver
WikipediaDenver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
Denver International Airport is the largest airport in North America by land area.
PDT vs Denver: Offsets, DST and Best Call Times
PDT runs on Pacific Daylight Time (PDT) at UTC-07:00. Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, also currently on daylight saving time. That puts PDT 1 hour ahead of Denver — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in PDT it is 10:00 AM in Denver. Midnight in PDT is 1:00 AM in Denver.Denver observes daylight saving time while PDT does not, so the gap narrows or widens by an hour part of the year.
PDT to Denver time conversion table
| PDT (PDT) | Denver (MDT) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert PDT to Denver time
- Scheduling a call from PDT to Denver: a 10:00 AM start in PDT lands at 11:00 AM in Denver, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both PDT and Denver are inside the 9-to-5 working day between 9:00 AM and 4:00 PM PDT time (10:00 AM–5:00 PM MDT). That is roughly 7 hours of usable overlap.
- Booking travel or deliveries: tracking Denver local time against PDT keeps pickup windows and arrival estimates honest across the +1h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM PDT" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM PDT as the recurring meeting window if you work primarily from PDT and need Denver colleagues present.
- Denver: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About PDT (Pacific Daylight Time)
Pacific Daylight Time (PDT) is observed from March to November on the Pacific coast. During PDT, the west coast is 7 hours behind UTC and only 2 hours behind the east coast's EDT.
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).
Best time to call between PDT and Denver
Both PDT and Denver sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM PDT, which is 10:00 AM–5:00 PM MDT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
PDT and Denver share 7 hours of working-hours overlap (9:00 AM–4:00 PM PDT), so scheduling a live meeting is straightforward.
PDT is 1 hour ahead of Denver (PDT UTC-07:00 → MDT UTC-06:00). The shared working window is 9:00 AM–4:00 PM PDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
PDT
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
Denver
☀ Currently in DST
Standard: UTC-07:00 · DST: UTC-06:00
Clocks fall back on Sun, Nov 1, 2026
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 PDT and Denver?
PDT (PDT, UTC-07:00) is 1 hour ahead of Denver (MDT, UTC-06:00). The gap is currently +1h.
How do I convert PDT time to Denver time?
Add +1h to PDT local time. For example, 9:00 AM in PDT is 10:00 AM in Denver.
What time is it in Denver right now?
Denver uses MDT at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from PDT.
What is the best time to call Denver from PDT?
Call between 9:00 AM and 4:00 PM PDT — that maps to 10:00 AM–5:00 PM MDT and keeps both parties inside the working day.
Which is ahead, PDT or Denver?
PDT is 1 hour ahead of Denver. When it is 12:00 PM in PDT it is 1:00 PM in Denver.
Do PDT and Denver use different time zones?
PDT uses PDT at UTC-07:00, while Denver (USA) uses MDT at UTC-06:00. The IANA identifiers are America/Los_Angeles and America/Denver.
Does daylight saving time affect the PDT–Denver difference?
Yes at the moment: Denver is on daylight saving time and PDT is not, so the +1h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share PDT's time zone?
PDT also covers Los Angeles, San Francisco, Seattle, Vancouver, Portland.
Which countries use PDT, PDT's zone?
PDT is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Is there a day difference between PDT and Denver?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between PDT and Denver?
Denver is +1h from PDT.
What timezone is PDT in?
PDT operates on its local timezone.
What timezone is Denver in?
Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.
What are the business hours in Denver?
Standard business hours in Denver are 8:00 AM - 5:00 PM MST.
Which countries use PDT (Pacific Daylight Time)?
PDT is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Does PDT observe daylight saving time?
Yes, PDT switches to PST during summer months.
What are some interesting facts about PDT?
PDT aligns with MST at UTC-07:00. Tech company earnings calls often reference PDT/PST times.
Which cities are in the MST timezone?
Major cities in the MST timezone include Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson.
What is the UTC offset for MST?
Mountain Standard Time (MST) is at UTC-07:00. During daylight saving time, it shifts to MDT.
What should I know about the MST timezone?
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.
When is it midnight in PDT, what time is it in Denver?
When it is 12:00 AM (midnight) in PDT (PDT), it is +1h later in Denver (MST).
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See every conversion from PDT →·See every conversion from Denver →