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Convert Tonga Time to Ulaanbaatar Time

TOT · UTC+13 → ULAT · UTC+8

TOT is 5 hours ahead of ULAT

Nuku‘alofa · UTC+13

Tuesday, 8 September 2026

Ulan Bator · UTC+8

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
Nuku‘alofaUTC+13 · +13:00
0003060912151821
Ulan BatorUTC+8 · +08:00
1922010407101316

Shared working hours: 14:00–18:00 in Nuku‘alofa is 09:00–13:00 in Ulan Bator.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

20:05 Tue 8 Sep Nuku‘alofa = 15:05 Tue 8 Sep Ulan Bator

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Hour-by-hour conversion

Nuku‘alofa (TOT)Ulan Bator (ULAT)
00:0019:00prev. day
01:0020:00prev. day
02:0021:00prev. day
03:0022:00prev. day
04:0023:00prev. day
05:0000:00
06:0001:00
07:0002:00
08:0003:00
09:0004:00
10:0005:00
11:0006:00
12:0007:00
13:0008:00
14:0009:00Both at work
15:0010:00Both at work
16:0011:00Both at work
17:0012:00Both at work
18:0013:00
19:0014:00
20:0015:00Now
21:0016:00
22:0017:00
23:0018:00

About this conversion

TOT here means Tonga Time, represented by Nuku‘alofa (Pacific/Tongatapu), currently UTC+13. ULAT means Ulaanbaatar Time, represented by Ulan Bator (Asia/Ulaanbaatar), currently UTC+8.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Nuku‘alofa; day boundaries are marked where the date differs.

Quick answers

  • 09:00 TOT is 04:00 ULAT
  • 12:00 TOT is 07:00 ULAT
  • 15:00 TOT is 10:00 ULAT
  • 18:00 TOT is 13:00 ULAT

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