World Timezones

San Antonio to MST Converter

Compare MST to San Antonio instead
San Antonio6:55 amTue, Jul 21
San AntonioCDT
TX, United States · UTC-5
6:55 amTue, Jul 21
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Mountain TimeMDT
North America · UTC-6
5:55 amTue, Jul 21
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Offset

The time difference between San Antonio and Mountain Time is 1 hour.

1 hour

San Antonio (CDT) is ahead of Mountain Time (MDT).

CDT: UTC-5

MDT: UTC-6

Both zones are currently observing daylight saving time.

When to schedule

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

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

Suggested time: 1:00 PM San Antonio (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.

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

San Antonio uses Central Time (CST, or CDT). To call United States, dial +1.

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

Mountain Time is approximately 800 miles northwest of San Antonio.

Quick reference

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

San AntonioMSTDay
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

Both San Antonio and Mountain Time observe daylight saving time and transition on the same date.

Next transition: Sunday, November 1, 2026 (fall back).

Because they transition simultaneously, the offset between these zones remains constant year-round.

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

Daylight today

San Antonio
Sunrise
6:48 AM
Sunset
8:34 PM
Day length
13h 45m
Mountain Time
Sunrise
5:50 AM
Sunset
8:24 PM
Day length
14h 34m

Daylight overlap: 13h 44m — 6:50 AM–8:34 PM in San Antonio (5:50 AM–7:34 PM in Mountain Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Mountain Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Central Time

  • GYY
  • MDW
  • ORD
  • HOU
  • IAH
  • SAT
  • DAL
  • DFW
  • AUS
  • BNA

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Related conversions

Common conversions

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