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Time Difference: Boston to Singapore

🇺🇸BostonUTC-5
vs
🇸🇬SingaporeUTC+8
🇺🇸
Boston, US
Fri, May 29
🇸🇬
Singapore, Singapore
Fri, May 29

Click a time to convert

Time Difference
12 hours
Singapore is 12 hours ahead of Boston
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🇺🇸
Boston
View city page
🇸🇬
Singapore
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Boston vs Singapore timezone guide

Boston (US) uses the America/New_York timezone at UTC-5, while Singapore (Singapore) uses Asia/Singapore at UTC+8. This means Singapore is 13 hours ahead of Boston (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Boston and Singapore

Standard 9-to-5 working hours in Boston and Singapore do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

BostonSingaporeStatus
6am6pmBoston early, Singapore evening
7am7pmBoston early, Singapore evening
8am8pmBoston early, Singapore evening
9am9pmOne side outside 9-to-5 but still awake
10am10pmBoston working hours, Singapore late evening
11am11pmBoston working hours, Singapore late evening
12pm12amBoston working hours, Singapore asleep
1pm1amBoston working hours, Singapore asleep
2pm2amBoston working hours, Singapore asleep
3pm3amBoston working hours, Singapore asleep
4pm4amBoston working hours, Singapore asleep
5pm5amBoston evening, Singapore asleep
6pm6amBoston evening, Singapore early
7pm7amBoston evening, Singapore early
8pm8amBoston evening, Singapore early
9pm9amOne side outside 9-to-5 but still awake
10pm10amBoston late evening, Singapore working hours

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Boston and Singapore

Boston observes daylight saving time, but Singapore does not. That means the difference between the two cities changes seasonally — by one hour, around Boston's transition dates.

  • Dec 31 → Mar 8Boston is 13 hours behind Singapore
  • Mar 8 → Nov 1Boston is 12 hours behind Singapore
  • Nov 1 → Dec 31Boston is 13 hours behind Singapore

Distance between Boston and Singapore

Great-circle distance
15,127 km
Direct flight time
~18h 48m

Boston and Singapore are 15,127 km apart along the great-circle route. A direct flight takes roughly ~18h 48m, depending on aircraft type, winds, and routing.

More comparisons

Boston to New YorkBoston to LondonBoston to TokyoBoston to SydneySingapore to New YorkSingapore to LondonSingapore to TokyoSingapore to Sydney

Frequently asked questions

What is the time difference between Boston and Singapore?
The current time difference is 12 hours. Boston is currently 12 hours behind Singapore.
Is Boston ahead of Singapore?
No. Boston is currently 12 hours behind Singapore.
What time is it in Singapore when it's 9 AM in Boston?
When it's 9 AM in Boston, it's 9pm in Singapore.
When is the best time to schedule a meeting between Boston and Singapore?
Standard 9-to-5 working hours in Boston and Singapore do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Boston and Singapore observe daylight saving time?
Boston observes daylight saving time, but Singapore does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Boston and Singapore?
Boston and Singapore are 15,127 km apart along the great-circle route. A direct flight takes roughly 18 hours 48 minutes.