Boston, MA to Medellin: time difference
Medellin is 1 h behind Boston, MA. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Boston, MA 21:59 9:59 PM Medellin 20:59 8:59 PM You –:–
21:59 9:59 PM
Eastern Daylight Time · UTC-4
☀️ 06:51 · 🌙 18:14
20:59 8:59 PM
Colombia Standard Time · UTC-5
☀️ 05:50 · 🌙 17:51
·
−1 h
Medellin is 1 h behind Boston, MA.
When you, Boston, MA and Medellin are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Boston, MA
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇨🇴 Medellin
23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Boston, MA | 🇨🇴 Medellin |
|---|---|---|
| Local time | 21:59 | 20:59 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Colombia Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Boston, MA | — | −1 h |
| IANA zone | America/New York | America/Bogota |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 06:51 | 05:50 |
| Sunset | 18:14 | 17:51 |
| Daylight | 11 h 23 min | 12 h 1 min |
| People on this clock | 675,647 | 2,486,723 |
Compare Boston, MA with another city
More comparisons with Boston, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boston, MA and Medellin: common questions
How many hours behind Boston, MA, is Medellin?
The clocks in Medellin are 1 hour behind those in Boston (UTC−5 and UTC−4).
What time is it in Medellin at the start of the working day in Boston, MA?
The working day in Boston starts at 9:00 AM; in Medellin it is 8:00 AM at that moment.
What time is it in Medellin at the end of the working day in Boston, MA?
The working day in Boston ends at 6:00 PM; in Medellin it is 5:00 PM at that moment.
When do working hours in Boston, MA, and in Medellin overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Boston, which is 9:00 AM to 5:00 PM in Medellin.
When does the date change in Medellin compared with Boston, MA?
The new day starts in Medellin later: until 1:00 AM in Boston, it is still the previous day there. From 11:00 PM in Medellin, Boston is already on the next day.
Does the time gap between Boston, MA, and Medellin change during the year?
Yes – daylight saving time is used in Boston but not in Medellin. From November 1, 2026, Medellin and Boston will have the same time.
