Boom to São Paulo time converter
São Paulo is 5 hours behind Boom. When it is 9:00 AM in Boom, it is 4:00 AM in São Paulo.
5:43 PM in Boom, Tuesday, October 20, 2026
Boom to São Paulo conversion table
Every hour of today in Boom and the matching time in São Paulo. Light rows are typical working hours (9:00–18:00).
| Boom | São Paulo |
|---|---|
| 12:00 AM | 7:00 PM−1 day |
| 1:00 AM | 8:00 PM−1 day |
| 2:00 AM | 9:00 PM−1 day |
| 3:00 AM | 10:00 PM−1 day |
| 4:00 AM | 11:00 PM−1 day |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Best time to call or meet
Both sides are at work from 2:00 PM – 6:00 PM in Boom (9:00 AM – 1:00 PM in São Paulo).
Daylight saving time and the difference
The difference changes during the year because Boom and São Paulo switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: -5h
- Oct 25, 2026 – Mar 28, 2027: -4h
- Mar 28, 2027 – Oct 20, 2027: -5h
Distance
Boom and São Paulo are 9,680 km (6,015 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Boom and São Paulo?
São Paulo is 5 hours behind Boom.
What time is it in São Paulo when it is 9 AM in Boom?
When it is 9:00 AM in Boom, it is 4:00 AM in São Paulo.
When is the best time to call São Paulo from Boom?
Both sides are at work from 2:00 PM – 6:00 PM in Boom (9:00 AM – 1:00 PM in São Paulo).
Does the time difference between Boom and São Paulo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.