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TimezonePair
Home·San Juan·San Juan × Buenos Aires
Prime meridian·:: UTC·

San Juan×Buenos Aires

Puerto Rico · PR
San Juan
—:—
America/Puerto_Rico·
No DST
Argentina · AR
Buenos Aires
—:—
America/Argentina/Buenos_Aires·
No DST

San Juan is 1 hour ahead of Buenos Aires. Scrub a time, meet in the overlap, ship the invite — before the kettle boils.

◊ at a glance

Three numbers. The ones that decide the meeting.

01
Difference
1h ahead
San Juan vs Buenos Aires
02
Overlap
7h
Business hours 09:00 – 17:00
03
UTC offsets
GMT-4 / GMT-3
Puerto Rico · ART
04
Flight
7h 31m
5,957 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
7h shared · 09:00 – 16:00 San Juan
San Juan
—:—
0
3
6
9
12
15
18
21
Buenos Aires
—:—
3
6
9
12
15
18
21
0
Scrub a meeting time14:00 San Juan
Same moment in Buenos Aires15:00 Buenos Aires
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/san-juan/to/buenos-aires?t=14&a=A&d=2026-04-27&dur=60
14:00 San Juan15:00 Buenos Aires
Full 24-hour reference
San JuanBuenos Aires
00:00
01:00
01:00
02:00
02:00
03:00
03:00
04:00
04:00
05:00
05:00
06:00
06:00
07:00
07:00
08:00
08:00
09:00Buenos Aires only
09:00Both working
10:00
10:00Both working
11:00
11:00Both working
12:00
12:00Both working
13:00
13:00Both working
14:00
14:00Both working
15:00
15:00Both working
16:00
16:00San Juan only
17:00
17:00
18:00
18:00
19:00
19:00
20:00
20:00
21:00
21:00
22:00
22:00
23:00
23:00
00:00
◊ common questions

Quick answers. Before you book the call.

What's the time difference between San Juan and Buenos Aires?

San Juan is 1 hour ahead of Buenos Aires. San Juan runs on GMT-4 and Buenos Aires on GMT-3. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.

When's the best time to schedule a meeting?

There are 7 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.

Does daylight saving time change the difference?

Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.

How far is San Juan from Buenos Aires?

About 5,957 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 7h 31m, not counting airport time, winds, or routing around restricted airspace.

Can I send this meeting time as a calendar invite?

Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.

◊ keep going

One pair down. 299 cities to go.

Every pair in 300 cities runs the same clocks, the same overlap, the same one-click invite. Pick another.

SAN JUAN · America/Puerto_Rico
GMT-4 · 18.47°, -66.11°

BUENOS AIRES · America/Argentina/Buenos_Aires
GMT-3 · -34.60°, -58.38°

7h shared · 1h ahead