San Juan LagosTime Converter

San Juan (AST, UTC−4) is currently 5 hours behind Lagos (WAT, UTC+1). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Meeting planner

Best time to meet between San Juan and Lagos

Best meeting times:

San Juan: 9:00 AM – 1:00 PM

Lagos: 2:00 PM – 6:00 PM

San Juan AST · UTC−4
Lagos WAT · UTC+1

Quick answer

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

San Juan (AST) runs 5 hours behind Lagos (WAT). Both sides keep standard office hours with a real 9–6 overlap: the highlighted window above works for everyone.

Time difference
+5h 00m
San Juan
UTC−4
Lagos
UTC+1
Best call window
9:00 AM AST
Hour by hour

San Juan to Lagos conversion table

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

Hourly conversion from San Juan to Lagos
San Juan · AST Lagos · WAT Lagos status
NOW
Thu, Aug 6
Thu, Aug 6
Night
Thu, Aug 6
Fri, Aug 7
Night
Thu, Aug 6
Fri, Aug 7
Night
Thu, Aug 6
Fri, Aug 7
Night
Thu, Aug 6
Fri, Aug 7
Night
Thu, Aug 6
Fri, Aug 7
Night
Fri, Aug 7
Fri, Aug 7
Night
Fri, Aug 7
Fri, Aug 7
Day
Fri, Aug 7
Fri, Aug 7
Day
Fri, Aug 7
Fri, Aug 7
Day
Fri, Aug 7
Fri, Aug 7
DayWork hours
Fri, Aug 7
Fri, Aug 7
DayWork hours
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. Lagos 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 Lagos?", 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 time zone identifiers 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 → Lagos",
  "url": "https://worldclock.pro/en/convert/san-juan-to-lagos",
  "from": {
    "name": "San Juan",
    "type": "city",
    "abbreviation": "AST",
    "daylightAbbreviation": "ADT",
    "iana": "America/Puerto_Rico",
    "standardUtcOffset": "-04:00",
    "daylightUtcOffset": null,
    "referenceCity": "San Juan"
  },
  "to": {
    "name": "Lagos",
    "type": "city",
    "abbreviation": "WAT",
    "daylightAbbreviation": null,
    "iana": "Africa/Lagos",
    "standardUtcOffset": "+01:00",
    "daylightUtcOffset": null,
    "referenceCity": "Lagos"
  },
  "currentDifferenceMinutes": 300,
  "possibleDifferencesMinutes": [
    300
  ],
  "note": "The difference is constant year-round."
}

Frequently asked questions

What is the time difference between San Juan and Lagos?

San Juan is currently 5 hours behind Lagos. San Juan is on AST (UTC−4) and Lagos is on WAT (UTC+1). The difference can change when either side starts or ends daylight saving time.

Is Lagos ahead of or behind San Juan?

Lagos is currently 5 hours ahead of San Juan.

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

When it is 9:00 AM on a Thursday in San Juan, it is 2:00 PM in Lagos.

Do San Juan and Lagos observe daylight saving time?

San Juan does not observe daylight saving time. Lagos does not observe daylight saving time.

How do I convert San Juan time to Lagos time?

Add 5 hours to any time in San Juan to get the time in Lagos. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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