PDT to MDT
+1hPDT
PDTSOURCEMDT
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 Daylight 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.
MDT – Mountain Daylight Time
UTC-06:00Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.
- •MDT shares the same offset as CST (UTC-06:00).
- •Arizona does not switch to MDT, remaining on MST.
PDT to MDT Time Difference – Complete Guide
PDT runs on Pacific Daylight Time (PDT) at UTC-07:00. MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. That puts PDT 1 hour ahead of MDT — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in PDT it is 10:00 AM in MDT. Midnight in PDT is 1:00 AM in MDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PDT to MDT time conversion table
| PDT (PDT) | MDT (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 MDT time
- Scheduling a call from PDT to MDT: a 10:00 AM start in PDT lands at 11:00 AM in MDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both PDT and MDT 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.
- Coordinating a PDT-based team with MDT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 MDT colleagues present.
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 MDT (Mountain Daylight Time)
Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.
Best time to call between PDT and MDT
Both PDT and MDT 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 MDT 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 MDT (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
MDT
☀ 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 MDT?
PDT (PDT, UTC-07:00) is 1 hour ahead of MDT (MDT, UTC-06:00). The gap is currently +1h.
How do I convert PDT time to MDT time?
Add +1h to PDT local time. For example, 9:00 AM in PDT is 10:00 AM in MDT.
What time is it in MDT right now?
MDT 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 MDT 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 MDT?
PDT is 1 hour ahead of MDT. When it is 12:00 PM in PDT it is 1:00 PM in MDT.
Does daylight saving time affect the PDT–MDT difference?
Neither zone observes daylight saving time, so the +1h offset between PDT and MDT is fixed all year.
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 MDT?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between PDT and MDT?
MDT is +1h from PDT.
What timezone is PDT in?
PDT operates on its local timezone.
What timezone is MDT in?
MDT operates on its local timezone.
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 MDT timezone?
Major cities in the MDT timezone include Denver, Calgary, Edmonton, Salt Lake City, Boise.
What is the UTC offset for MDT?
Mountain Daylight Time (MDT) is at UTC-06:00. During daylight saving time, it shifts to MST.
What should I know about the MDT timezone?
MDT shares the same offset as CST (UTC-06:00). Arizona does not switch to MDT, remaining on MST.
When is it midnight in PDT, what time is it in MDT?
When it is 12:00 AM (midnight) in PDT (PDT), it is +1h later in MDT (MDT).
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See every conversion from PDT →·See every conversion from MDT →