Offset
The time difference between Boston and Lagos is 5 hours.
Boston (EDT) is behind Lagos (WAT).
EDT: UTC-4
WAT: UTC+1
Boston is currently observing daylight saving time; Lagos is not.
When to schedule
Business-hours overlap: 9 AM–12 PM in Boston (2 PM–5 PM in Lagos).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Boston (3:00 PM Lagos).
This window may shift by an hour during daylight saving time.
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.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- 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.
| Boston | Lagos | Day |
|---|---|---|
| 12:00 am | 5:00 am | Same day |
| 1:00 am | 6:00 am | Same day |
| 2:00 am | 7:00 am | Same day |
| 3:00 am | 8:00 am | Same day |
| 4:00 am | 9:00 am | Same day |
| 5:00 am | 10:00 am | Same day |
| 6:00 am | 11:00 am | Same day |
| 7:00 am | 12:00 pm | Same day |
| 8:00 am | 1:00 pm | Same day |
| 9:00 am | 2:00 pm | Same day |
| 10:00 am | 3:00 pm | Same day |
| 11:00 am | 4:00 pm | Same day |
| 12:00 pm | 5:00 pm | Same day |
| 1:00 pm | 6:00 pm | Same day |
| 2:00 pm | 7:00 pm | Same day |
| 3:00 pm | 8:00 pm | Same day |
| 4:00 pm | 9:00 pm | Same day |
| 5:00 pm | 10:00 pm | Same day |
| 6:00 pm | 11:00 pm | Same day |
| 7:00 pm | 12:00 am | +1 day |
| 8:00 pm | 1:00 am | +1 day |
| 9:00 pm | 2:00 am | +1 day |
| 10:00 pm | 3:00 am | +1 day |
| 11:00 pm | 4:00 am | +1 day |
Daylight saving time
Boston observes daylight saving time; Lagos does not. The offset between the two zones changes when Boston transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:15 AM
- Sunset
- 7:12 PM
- Day length
- 12h 56m
- Sunrise
- 6:40 AM
- Sunset
- 6:52 PM
- Day length
- 12h 13m
Daylight overlap: 7h 37m — 6:15 AM–1:52 PM in Boston (11:15 AM–6:52 PM in Lagos). Both locations are in daylight during this window.
Cities in these zones
Other cities in Eastern Time
Other cities in West Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern Time
- EWR
- HPN
- JFK
- LGA
- TEB
- ILG
- PHL
- TTN
- CLT
- USA
Airports in West Africa Time
- LOS
- KAN
- IBA
- ABV
- PHC
- KAD
- BNI
- ABB
Related conversions
Common conversions
- What is 9:00 am Boston in Lagos?
- 9:00 am Boston is 2:00 pm Lagos.
- What is 12:00 pm Boston in Lagos?
- 12:00 pm Boston is 5:00 pm Lagos.
- What is 12:30 pm Boston in Lagos?
- 12:30 pm Boston is 5:30 pm Lagos.
- What is 2:00 pm Boston in Lagos?
- 2:00 pm Boston is 7:00 pm Lagos.
- What is 5:00 pm Boston in Lagos?
- 5:00 pm Boston is 10:00 pm Lagos.
- What is 11:30 pm Boston in Lagos?
- 11:30 pm Boston is 4:30 am Lagos, the next day.