Timezones.in — Stay In Sync

Convert Japan Time to West Africa Time

JST · UTC+9 → WAT · UTC+1

JST is 8 hours ahead of WAT

Tokyo · UTC+9

Tuesday, 8 September 2026

Lagos · WAT

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
TokyoUTC+9 · +09:00
0003060912151821
LagosWAT · +01:00
1619220104071013

Shared working hours: 17:00–18:00 in Tokyo is 09:00–10:00 in Lagos.

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

Pick a time and share it

16:06 Tue 8 Sep Tokyo = 08:06 Tue 8 Sep Lagos

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

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

About this conversion

JST here means Japan Time, represented by Tokyo (Asia/Tokyo), currently UTC+9. WAT means West Africa Time, represented by Lagos (Africa/Lagos), currently UTC+1.

WAT is used by 11 zones, including Nigeria. See every meaning of WAT.

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 Tokyo; day boundaries are marked where the date differs.

Quick answers

  • 09:00 JST is 01:00 WAT
  • 12:00 JST is 04:00 WAT
  • 15:00 JST is 07:00 WAT
  • 18:00 JST is 10:00 WAT

Related conversions