Time Difference Between San Juan and Mexico City

The time difference between San Juan and Mexico City is 2 hours. When it is 12:00 noon in San Juan, it is 10:00 in Mexico City. San Juan uses the America/Puerto_Rico time zone (UTC-4), while Mexico City uses America/Mexico_City (UTC-6).

Mexico City is 2 hours behind San Juan — 2 hours
San Juan, Puerto Rico
19:51:19
Thursday, March 26, 2026
UTC-4 · AST
Mexico City, Mexico
17:51:19
Thursday, March 26, 2026
UTC-6 · CST

Time Zone Details: San Juan vs Mexico City

Detail San Juan Mexico City
Time Zone IDAmerica/Puerto_RicoAmerica/Mexico_City
UTC OffsetUTC-4UTC-6
AbbreviationASTCST
DST ActiveNoNo
CountryPuerto RicoMexico
RegionNorth AmericaNorth America

Best Time to Schedule a Call

There are 6 overlapping business hours between San Juan and Mexico City (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

11:00–17:00 in San Juan  =  09:00–15:00 in Mexico City

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from San Juan time to Mexico City time. Rows highlighted in green indicate overlapping business hours in both cities.

San Juan Mexico City
00:00 22:00 (-1 day) Night
01:00 23:00 (-1 day) Night
02:00 00:00 Night
03:00 01:00 Night
04:00 02:00 Night
05:00 03:00 Night
06:00 04:00
07:00 05:00
08:00 06:00
09:00 07:00
10:00 08:00
11:00 09:00 Overlap
12:00 10:00 Overlap
13:00 11:00 Overlap
14:00 12:00 Overlap
15:00 13:00 Overlap
16:00 14:00 Overlap
17:00 15:00
18:00 16:00
19:00 17:00
20:00 18:00
21:00 19:00
22:00 20:00 Night
23:00 21:00 Night

Daylight Saving Time (DST) Impact

Neither San Juan nor Mexico City is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for San Juan–Mexico City Scheduling

Compare San Juan and Mexico City with Other Cities

From San Juan

From Mexico City

Frequently Asked Questions

What is the time difference between San Juan and Mexico City?

The time difference is 2 hours. Mexico City is 2 hours behind San Juan.

Does the time difference change during the year?

It can. If either San Juan or Mexico City observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from San Juan to Mexico City?

The best window is between 11:00 and 17:00 San Juan time, which corresponds to 09:00–15:00 in Mexico City. Both sides fall within normal business hours.

How do I convert San Juan time to Mexico City time?

Subtract 2 hours from San Juan time to get Mexico City time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.