San Juan Mexico CityTime Converter

San Juan (AST, UTC−4) is currently 2 hours ahead of Mexico City (CST, UTC−6). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in San Juan, it's the same day in Mexico City.

San Juan (AST) runs 2 hours ahead of Mexico City (CST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
−2h 00m
San Juan
UTC−4
Mexico City
UTC−6
Best call window
11:00 AM AST
Hour by hour

San Juan to Mexico City conversion table

The next 12 hours in San Juan and the matching local time in Mexico City. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from San Juan to Mexico City
San Juan · AST Mexico City · CST Mexico City status
NOW
Mon, Jun 22
Mon, Jun 22
Day
Mon, Jun 22
Mon, Jun 22
Day
Mon, Jun 22
Mon, Jun 22
Day
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Mon, Jun 22
Mon, Jun 22
DayWork hours
Meeting planner

Best time to meet between San Juan & Mexico City

Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.

San Juan AST
Mexico City CST
Both in business hours Business hours (9–18) Morning / evening Night Now
Best time for a call or meeting: between 11:00 AM and 6:00 PM in San Juan, which is 9:00 AM–4:00 PM in Mexico City — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

This time difference never changes

Neither side observes daylight saving against the other, so the gap stays constant all year. San Juan does not observe daylight saving time. Mexico City does not observe daylight saving time. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth — for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am San Juan time in Mexico City?", it can cite the exact, DST-aware result — not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "San Juan → Mexico City",
  "url": "https://worldclock.pro/en/convert/san-juan-to-mexico-city",
  "from": {
    "name": "San Juan",
    "type": "city",
    "abbreviation": "AST",
    "daylightAbbreviation": "ADT",
    "iana": "America/Puerto_Rico",
    "standardUtcOffset": "-04:00",
    "daylightUtcOffset": null,
    "referenceCity": "San Juan"
  },
  "to": {
    "name": "Mexico City",
    "type": "city",
    "abbreviation": "CST",
    "daylightAbbreviation": "CDT",
    "iana": "America/Mexico_City",
    "standardUtcOffset": "-06:00",
    "daylightUtcOffset": null,
    "referenceCity": "Mexico City"
  },
  "currentDifferenceMinutes": -120,
  "possibleDifferencesMinutes": [
    -120
  ],
  "note": "The difference is constant year-round."
}

Frequently asked questions

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

San Juan is currently 2 hours ahead of Mexico City. San Juan is on AST (UTC−4) and Mexico City is on CST (UTC−6). The difference can change when either side starts or ends daylight saving time.

Is Mexico City ahead of or behind San Juan?

Mexico City is currently 2 hours behind San Juan.

When it is 9:00 AM in San Juan, what time is it in Mexico City?

When it is 9:00 AM on a Monday in San Juan, it is 7:00 AM in Mexico City.

Do San Juan and Mexico City observe daylight saving time?

San Juan does not observe daylight saving time. Mexico City does not observe daylight saving time.

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

Subtract 2 hours from any time in San Juan to get the time in Mexico City. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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