Offset
The time difference between Santa Cruz de la Sierra and Mountain Time is 2 hours.
Santa Cruz de la Sierra (GMT-4) is ahead of Mountain Time (MDT).
GMT-4: UTC-4
MDT: UTC-6
Mountain Time is currently observing daylight saving time; Santa Cruz de la Sierra is not.
When to schedule
Business-hours overlap: 11 AM–5 PM in Santa Cruz de la Sierra (9 AM–3 PM in Mountain Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM Santa Cruz de la Sierra (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.
Bolivia
- New Year's DayThu, Jan 1
- Feast of the Virgin of CandelariaMon, Feb 2
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Andean New YearSun, Jun 21
- Agrarian Reform DaySun, Aug 2
- Independence DayThu, Aug 6
- All Saints' DayMon, Nov 2
- 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
Santa Cruz de la Sierra uses Bolivia Time. To call Bolivia, dial +591.
Mountain Time is also known as MST, or MDT. To call United States, dial +1.
Mountain Time is approximately 4,800 miles northwest of Santa Cruz de la Sierra.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Santa Cruz de la Sierra | MST | Day |
|---|---|---|
| 12:00 am | 10:00 pm | -1 day |
| 1:00 am | 11:00 pm | -1 day |
| 2:00 am | 12:00 am | Same day |
| 3:00 am | 1:00 am | Same day |
| 4:00 am | 2:00 am | Same day |
| 5:00 am | 3:00 am | Same 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 |
| 10:00 am | 8:00 am | Same day |
| 11:00 am | 9:00 am | Same day |
| 12:00 pm | 10:00 am | Same day |
| 1:00 pm | 11:00 am | Same day |
| 2:00 pm | 12:00 pm | Same day |
| 3:00 pm | 1:00 pm | Same day |
| 4:00 pm | 2:00 pm | Same day |
| 5:00 pm | 3:00 pm | Same day |
| 6:00 pm | 4:00 pm | Same day |
| 7:00 pm | 5:00 pm | Same day |
| 8:00 pm | 6:00 pm | Same day |
| 9:00 pm | 7:00 pm | Same day |
| 10:00 pm | 8:00 pm | Same day |
| 11:00 pm | 9:00 pm | Same day |
Daylight saving time
Mountain Time observes daylight saving time; Santa Cruz de la Sierra 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
- Sunrise
- 6:42 AM
- Sunset
- 5:57 PM
- Day length
- 11h 15m
- Sunrise
- 5:53 AM
- Sunset
- 8:21 PM
- Day length
- 14h 28m
Daylight overlap: 10h 4m — 7:53 AM–5:57 PM in Santa Cruz de la Sierra (5:53 AM–3:57 PM in Mountain Time). Both locations are in daylight during this window.
Cities in these zones
Other cities in Bolivia Time
Cities in Mountain Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Bolivia Time
- LPB
- SRZ
- VVI
Airports in Mountain Time
- BJC
- DEN
- OGD
- SLC
Related conversions
Common conversions
- What is 9:00 am Santa Cruz de la Sierra in MST?
- 9:00 am Santa Cruz de la Sierra is 7:00 am MST.
- What is 12:00 pm Santa Cruz de la Sierra in MST?
- 12:00 pm Santa Cruz de la Sierra is 10:00 am MST.
- What is 12:30 pm Santa Cruz de la Sierra in MST?
- 12:30 pm Santa Cruz de la Sierra is 10:30 am MST.
- What is 2:00 pm Santa Cruz de la Sierra in MST?
- 2:00 pm Santa Cruz de la Sierra is 12:00 pm MST.
- What is 5:00 pm Santa Cruz de la Sierra in MST?
- 5:00 pm Santa Cruz de la Sierra is 3:00 pm MST.
- What is 11:30 pm Santa Cruz de la Sierra in MST?
- 11:30 pm Santa Cruz de la Sierra is 9:30 pm MST.