Lima to MST
-2hLima
PETSOURCEMST
MSTGreen rows indicate typical business hours (9 AM - 5 PM)
PET and MST on the World Map
The map below highlights the PET (Peru Time) and MST (Mountain Standard Time) timezone regions across the globe.
PET – Peru Time
UTC-05:00Peru Time (PET) is the standard time for Peru, 5 hours behind UTC.
- •Peru does not observe daylight saving time.
- •PET is the same offset as EST (UTC-05:00).
- •Lima is the 5th largest city in the Americas.
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.
Comparing Time Zones: Lima and MST
Lima runs on Peru Standard Time (PET) at UTC-05:00. MST runs on Mountain Standard Time (MST) at UTC-07:00. That puts Lima 2 hours behind MST — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Lima it is 7:00 AM in MST. Midnight in Lima is 10:00 PM in MST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Lima to MST time conversion table
| Lima (PET) | MST (MST) | Day |
|---|---|---|
| 12:00 AM | 10:00 PM | previous day |
| 6:00 AM | 4:00 AM | same day |
| 7:00 AM | 5:00 AM | same day |
| 8:00 AM | 6:00 AM | same day |
| 9:00 AM | 7:00 AM | same day |
| 12:00 PM | 10:00 AM | same day |
| 3:00 PM | 1:00 PM | same day |
| 5:00 PM | 3:00 PM | same day |
| 6:00 PM | 4:00 PM | same day |
| 9:00 PM | 7:00 PM | same day |
Why people convert Lima to MST time
- Scheduling a call from Lima to MST: a 10:00 AM start in Lima lands at 8:00 AM in MST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Lima and MST are inside the 9-to-5 working day between 11:00 AM and 5:00 PM PET time (9:00 AM–3:00 PM MST). That is roughly 6 hours of usable overlap.
- Coordinating a Lima-based team with MST 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 PET" is unambiguous; "3 PM" across a -2h gap is not.
- Block 11:00 AM–5:00 PM PET as the recurring meeting window if you work primarily from Lima and need MST colleagues present.
About PET (Peru Time)
Peru Time (PET) is the time zone used throughout Peru. Peru does not observe daylight saving time. PET shares the same offset as EST (UTC-05:00). Lima, the capital, is the economic center of Peru.
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 Lima and MST
Both Lima and MST sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM PET, which is 9:00 AM–3:00 PM MST. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Lima and MST share 6 hours of working-hours overlap (11:00 AM–5:00 PM PET), so scheduling a live meeting is straightforward.
Lima is 2 hours behind MST (PET UTC-05:00 → MST UTC-07:00). The shared working window is 11:00 AM–5:00 PM PET. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Lima
Does not observe DST
MST
☀ 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 Lima and MST?
Lima (PET, UTC-05:00) is 2 hours behind MST (MST, UTC-07:00). The gap is currently -2h.
How do I convert Lima time to MST time?
Add -2h to Lima local time. For example, 9:00 AM in Lima is 7:00 AM in MST.
What time is it in MST right now?
MST uses MST at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Lima.
What is the best time to call MST from Lima?
Call between 11:00 AM and 5:00 PM PET — that maps to 9:00 AM–3:00 PM MST and keeps both parties inside the working day.
Which is behind, Lima or MST?
Lima is 2 hours behind MST. When it is 12:00 PM in Lima it is 10:00 AM in MST.
Do Lima and MST use different time zones?
Lima (Peru) uses PET at UTC-05:00, while MST uses MST at UTC-07:00. The IANA identifiers are America/Lima and America/Denver.
Does daylight saving time affect the Lima–MST difference?
Neither zone observes daylight saving time, so the -2h offset between Lima and MST is fixed all year.
Which other cities share Lima's time zone?
PET also covers Lima, Arequipa, Trujillo, Cusco, Callao.
Which countries use PET, Lima's zone?
PET is used in Peru.
Is there a day difference between Lima and MST?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Lima and MST?
MST is -2h from Lima.
What timezone is Lima in?
Lima operates on its local timezone.
What timezone is MST in?
MST operates on its local timezone.
Which countries use PET (Peru Time)?
PET is used in Peru.
Does PET observe daylight saving time?
No, PET does not observe daylight saving time and remains at UTC-05:00 year-round.
What are some interesting facts about PET?
Peru does not observe daylight saving time. PET is the same offset as EST (UTC-05:00).
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 Lima, what time is it in MST?
When it is 12:00 AM (midnight) in Lima (PET), it is -2h later in MST (MST).
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