Work in progressTimezonePair is still being built — expect rough edges & missing cities
TimezonePair
Home·Ulaanbaatar·Ulaanbaatar × San José
Prime meridian·:: UTC·

Ulaanbaatar×San José

Mongolia · MN
Ulaanbaatar
—:—
Asia/Ulaanbaatar·
No DST
Costa Rica · CR
San José
—:—
America/Costa_Rica·
No DST

Ulaanbaatar is 14 hours behind San José. 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
14h behind
Ulaanbaatar vs San José
02
Overlap
0h
Business hours 09:00 – 17:00
03
UTC offsets
GMT+8 / GMT-6
Ulaanbaatar · Costa Rica
04
Flight
16h 23m
13,496 km · great-circle, non-stop cruise
◊ the overlap

When the world meets at work.

24-hour overlap
No overlap in working hours
Ulaanbaatar
—:—
0
3
6
9
12
15
18
21
San José
—:—
12
15
18
21
0
3
6
9
Scrub a meeting time14:00 Ulaanbaatar
Same moment in San José00:00 San José
◊ hour by hour

Read the day in both zones.

Share this meeting
timezonepair.com/from/ulaanbaatar/to/san-josé?t=14&a=A&d=2026-05-26&dur=60
14:00 Ulaanbaatar00:00 San José
Full 24-hour reference
UlaanbaatarSan José
00:00
10:00San José only
01:00
11:00San José only
02:00
12:00San José only
03:00
13:00San José only
04:00
14:00San José only
05:00
15:00San José only
06:00
16:00San José only
07:00
17:00
08:00
18:00
09:00Ulaanbaatar only
19:00
10:00Ulaanbaatar only
20:00
11:00Ulaanbaatar only
21:00
12:00Ulaanbaatar only
22:00
13:00Ulaanbaatar only
23:00
14:00Ulaanbaatar only
00:00
15:00Ulaanbaatar only
01:00
16:00Ulaanbaatar only
02:00
17:00
03:00
18:00
04:00
19:00
05:00
20:00
06:00
21:00
07:00
22:00
08:00
23:00
09:00San José only
◊ travel essentials

Crossing the border. Money, language, plugs.

Money changes hands at the border: Ulaanbaatar uses the MNT (₮) and San José uses the CRC (₡). Language shifts too — Mongolian in Ulaanbaatar, Spanish in San José. Cars drive on the right in both, so rentals feel familiar.

Ulaanbaatar
Country
Mongolia
Capital
Ulan Bator
Currency
Mongolian tögrög (MNT · ₮)
Language
Mongolian
Calling code
+976
Drives on
Right
San José
Country
Costa Rica
Capital
San José
Currency
Costa Rican colón (CRC · ₡)
Language
Spanish
Calling code
+506
Drives on
Right
◊ common questions

Quick answers. Before you book the call.

What's the time difference between Ulaanbaatar and San José?

Ulaanbaatar is 14 hours behind San José. Ulaanbaatar runs on GMT+8 and San José on GMT-6. 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?

Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).

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 Ulaanbaatar from San José?

About 13,496 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 16h 23m, 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.

What currency do Ulaanbaatar and San José use?

Ulaanbaatar uses the Mongolian tögrög (MNT, ₮); San José uses the Costa Rican colón (CRC, ₡). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.

How do I call Ulaanbaatar from San José?

Dial the international prefix used by your carrier (often 00), then +976, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.

What language is spoken in Ulaanbaatar and San José?

Ulaanbaatar primarily speaks Mongolian; San José speaks Spanish. English is widely used in business contexts in major cities of both, but written contracts may need translation.

Do Ulaanbaatar and San José drive on the same side of the road?

Yes — both drive on the right. Rental cars feel identical between the two.

◊ 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.

ULAANBAATAR · Asia/Ulaanbaatar
GMT+8 · 47.89°, 106.91°

SAN JOSÉ · America/Costa_Rica
GMT-6 · 9.93°, -84.09°

0h shared · 14h behind