The short answer
11am in Chatham Standard Time is 6:15pm in Eastern Daylight Time on the previous day.
Chatham Standard Time is 16 hours 45 minutes ahead of Eastern Daylight Time. That's already evening in Eastern Daylight Time, after the typical working day ends.
Chatham Standard Time☀
11am
Eastern Daylight Time☀
6:15pm
previous day
Right now
1:29am+12:45 · UTC+12:45 · Mon, Aug 31
8:44amEDT · UTC-04:00 · Sun, Aug 30
Read across to convert
Chatham Standard Time
+12:45 · UTC+12:45
Eastern Daylight Time
EDT · UTC-04:00
Pinned11amChatham Standard Time=6:15pmEastern Daylight Time · Sun (previous day)
12amMon
7:15amSun ·−1d
NOW
1am
8:15amSun ·−1d
2am
9:15amSun ·−1d
WORK3am
10:15amSun ·−1d
WORK4am
11:15amSun ·−1d
WORK5am
12:15pmSun ·−1d
WORK6am
1:15pmSun ·−1d
WORK7am
2:15pmSun ·−1d
WORK8am
3:15pmSun ·−1d
WORK9am
WORK4:15pmSun ·−1d
WORK10am
WORK5:15pmSun ·−1d
PINNED
11am
WORK6:15pmSun ·−1d
12pm
WORK7:15pmSun ·−1d
1pm
WORK8:15pmSun ·−1d
2pm
WORK9:15pmSun ·−1d
3pm
WORK10:15pmSun ·−1d
4pm
WORK11:15pmSun ·−1d
5pm
12:15amMon
6pm
1:15am
7pm
2:15am
8pm
3:15am
9pm
4:15am
10pm
5:15am
11pm
6:15am
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Chatham Standard Time
9am–10am
Eastern Daylight Time
4:15pm–5:15pm
previous day
Popular conversions
Quick reference.
9amChatham Standard Time=4:15pmEastern Daylight Time · prev day
12pmChatham Standard Time=7:15pmEastern Daylight Time · prev day
3pmChatham Standard Time=10:15pmEastern Daylight Time · prev day
5pmChatham Standard Time=12:15amEastern Daylight Time
9pmChatham Standard Time=4:15amEastern Daylight Time
In context
What each side covers.
Chatham Standard Time
1:29am+12:45 · UTC+12:45
Chatham Standard Time
Eastern Daylight Time
8:44amEDT · UTC-04:00
Cities on this clock
Did you mean…? “EDT” is shared by several places. This page shows Eastern Daylight Time (US & Canada) — or switch to Australian Eastern Standard Time.
Related converters
Other popular pairs.
Pacific Time
5:44am
India Standard Time
6:14pm
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
8:44am
Central European Time
2:44pm
Eastern Time to Central Europe6 hours behind
India Standard Time
6:14pm
Eastern Daylight Time
8:44am
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
1:44pm
India Standard Time
6:14pm
London to India4 hours 30 minutes behind
Pacific Daylight Time
5:44am
Eastern Daylight Time
8:44am
Pacific to Eastern Time3 hours behind
Central European Time
2:44pm
India Standard Time
6:14pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Chatham Standard Time and Eastern Daylight Time. Can't find what you need? Email [email protected].
- What is the time difference between Chatham Standard Time and Eastern Daylight Time?
- Chatham Standard Time is 16 hours 45 minutes ahead of Eastern Daylight Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 11am in Chatham Standard Time, what time is it in Eastern Daylight Time?
- 11am in Chatham Standard Time is 6:15pm in Eastern Daylight Time on the previous day. That's already evening in Eastern Daylight Time, after the typical working day ends. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Chatham Standard Time and Eastern Daylight Time?
- 9am–10am in Chatham Standard Time lines up with 4:15pm–5:15pm in Eastern Daylight Time the previous day — both sides are inside a 9-to-5 working day.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — +12:45 and EDT — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.