Offset
The time difference between Semarang and Lagos is 6 hours.
Semarang (WIB) is ahead of Lagos (WAT).
WIB: UTC+7
WAT: UTC+1
Neither Semarang nor Lagos is currently observing daylight saving time.
When to schedule
Business-hours overlap: 3 PM–5 PM in Semarang (9 AM–11 AM in Lagos).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Semarang (10:00 AM Lagos).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Indonesia
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Pancasila DayMon, Jun 1
- Independence DayMon, Aug 17
- Christmas DayFri, Dec 25
Nigeria
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Workers' DayFri, May 1
- Children's DayWed, May 27
- Democracy DayFri, Jun 12
- National DayThu, Oct 1
- National Youth DaySun, Nov 1
- Christmas DayFri, Dec 25
- Boxing DayMon, Dec 28
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Semarang | Lagos | Day |
|---|---|---|
| 12:00 am | 6:00 pm | -1 day |
| 1:00 am | 7:00 pm | -1 day |
| 2:00 am | 8:00 pm | -1 day |
| 3:00 am | 9:00 pm | -1 day |
| 4:00 am | 10:00 pm | -1 day |
| 5:00 am | 11:00 pm | -1 day |
| 6:00 am | 12:00 am | Same day |
| 7:00 am | 1:00 am | Same day |
| 8:00 am | 2:00 am | Same day |
| 9:00 am | 3:00 am | Same day |
| 10:00 am | 4:00 am | Same day |
| 11:00 am | 5:00 am | Same day |
| 12:00 pm | 6:00 am | Same day |
| 1:00 pm | 7:00 am | Same day |
| 2:00 pm | 8:00 am | Same day |
| 3:00 pm | 9:00 am | Same day |
| 4:00 pm | 10:00 am | Same day |
| 5:00 pm | 11:00 am | Same day |
| 6:00 pm | 12:00 pm | Same day |
| 7:00 pm | 1:00 pm | Same day |
| 8:00 pm | 2:00 pm | Same day |
| 9:00 pm | 3:00 pm | Same day |
| 10:00 pm | 4:00 pm | Same day |
| 11:00 pm | 5:00 pm | Same day |
Daylight saving time
Neither Semarang nor Lagos observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:37 AM
- Sunset
- 5:38 PM
- Day length
- 12h 1m
- Sunrise
- 6:39 AM
- Sunset
- 6:52 PM
- Day length
- 12h 12m
Cities in these zones
Other cities in Western Indonesia Time
Other cities in West Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Western Indonesia Time
- CGK
- HLP
- SUB
- BDO
- KNO
- PLM
- SRG
Airports in West Africa Time
- LOS
- KAN
- IBA
- ABV
- PHC
- KAD
- BNI
- ABB
Related conversions
Common conversions
- What is 9:00 am Semarang in Lagos?
- 9:00 am Semarang is 3:00 am Lagos.
- What is 12:00 pm Semarang in Lagos?
- 12:00 pm Semarang is 6:00 am Lagos.
- What is 12:30 pm Semarang in Lagos?
- 12:30 pm Semarang is 6:30 am Lagos.
- What is 2:00 pm Semarang in Lagos?
- 2:00 pm Semarang is 8:00 am Lagos.
- What is 5:00 pm Semarang in Lagos?
- 5:00 pm Semarang is 11:00 am Lagos.
- What is 11:30 pm Semarang in Lagos?
- 11:30 pm Semarang is 5:30 pm Lagos.