World Timezones

PET to MST Converter

Compare MST to PET instead
Peru Time11:35 pmThu, Jun 4
Peru TimePET
South America · UTC-5
11:35 pmThu, Jun 4
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Mountain TimeMDT
North America · UTC-6
10:35 pmThu, Jun 4
11p
12a
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Offset

The time difference between Peru Time and Mountain Time is 1 hour.

1 hour

Peru Time (PET) is ahead of Mountain Time (MDT).

PET: UTC-5

MDT: UTC-6

Mountain Time is currently observing daylight saving time; Peru Time is not.

When to schedule

Business-hours overlap: 10 AM–5 PM in Peru Time (9 AM–4 PM in Mountain Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Peru Time (12:00 PM Mountain Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Peru

  • New Year's DayThu, Jan 1
  • Holy ThursdayThu, Apr 2
  • Maundy ThursdayThu, Apr 2
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • International Workers' DayFri, May 1
  • Saint Peter and Saint PaulMon, Jun 29
  • Independence DayTue, Jul 28
  • Independence DayWed, Jul 29
  • Santa Rosa de LimaSun, Aug 30
  • Battle of AngamosThu, Oct 8
  • All Saints DaySun, Nov 1
  • Immaculate ConceptionTue, Dec 8
  • Christmas DayFri, Dec 25

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • Christmas DayFri, Dec 25

About these zones

Peru Time is also known as PET. To call Peru, dial +51.

Mountain Time is also known as MST, or MDT. To call United States, dial +1.

Mountain Time is approximately 4,000 miles northwest of Peru Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

PETMSTDay
12:00 am11:00 pm-1 day
1:00 am12:00 amSame day
2:00 am1:00 amSame day
3:00 am2:00 amSame day
4:00 am3:00 amSame day
5:00 am4:00 amSame day
6:00 am5:00 amSame day
7:00 am6:00 amSame day
8:00 am7:00 amSame day
9:00 am8:00 amSame day
10:00 am9:00 amSame day
11:00 am10:00 amSame day
12:00 pm11:00 amSame day
1:00 pm12:00 pmSame day
2:00 pm1:00 pmSame day
3:00 pm2:00 pmSame day
4:00 pm3:00 pmSame day
5:00 pm4:00 pmSame day
6:00 pm5:00 pmSame day
7:00 pm6:00 pmSame day
8:00 pm7:00 pmSame day
9:00 pm8:00 pmSame day
10:00 pm9:00 pmSame day
11:00 pm10:00 pmSame day

Daylight saving time

Mountain Time observes daylight saving time; Peru Time does not. The offset between the two zones changes when Mountain Time transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Peru Time
Sunrise
6:24 AM
Sunset
5:51 PM
Day length
11h 27m
Mountain Time
Sunrise
5:34 AM
Sunset
8:25 PM
Day length
14h 51m

Daylight overlap: 11h 17m — 6:34 AM–5:51 PM in Peru Time (5:34 AM–4:51 PM in Mountain Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Peru Time

Cities in Mountain Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Peru Time

  • LIM

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Related conversions

Common conversions

What is 9:00 am PET in MST?
9:00 am PET is 8:00 am MST.
What is 12:00 pm PET in MST?
12:00 pm PET is 11:00 am MST.
What is 12:30 pm PET in MST?
12:30 pm PET is 11:30 am MST.
What is 2:00 pm PET in MST?
2:00 pm PET is 1:00 pm MST.
What is 5:00 pm PET in MST?
5:00 pm PET is 4:00 pm MST.
What is 11:30 pm PET in MST?
11:30 pm PET is 10:30 pm MST.