The short answer

11am in Irish Standard Time is 6am in Havana.

Irish Standard Time is 5 hours ahead of Havana. That's early morning in Havana, before the typical working day begins.

Irish Standard Time
11am
Havana
6am
Right now
9:41amIST · UTC+01:00 · Mon, Jun 22
4:41amCDT · UTC-04:00 · Mon, Jun 22
Read across to convert
Irish Standard Time
IST · UTC+01:00
9:41am ☀
Havana
CDT · UTC-04:00
4:41am ☾
Pinned11amIrish Standard Time=6amHavana
12amMon
7pmSun ·−1d
1am
8pmSun ·−1d
2am
9pmSun ·−1d
3am
10pmSun ·−1d
4am
11pmSun ·−1d
5am
12amMon
6am
1am
7am
2am
8am
3am
NOW
9am
WORK
4am
10am
WORK
5am
PINNED
11am
WORK
6am
12pm
WORK
7am
1pm
WORK
8am
2pm
WORK
9am
WORK
3pm
WORK
10am
WORK
4pm
WORK
11am
WORK
5pm
12pm
WORK
6pm
1pm
WORK
7pm
2pm
WORK
8pm
3pm
WORK
9pm
4pm
WORK
10pm
5pm
11pm
6pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Irish Standard Time
2pm–5pm
=
Havana
9am–12pm
Popular conversions

Quick reference.

9amIrish Standard Time=4amHavana
12pmIrish Standard Time=7amHavana
3pmIrish Standard Time=10amHavana
5pmIrish Standard Time=12pmHavana
9pmIrish Standard Time=4pmHavana
In context

What each side covers.

Irish Standard Time
IST · UTC+01:00
9:41am
Cities on this clock
Havana
CDT · UTC-04:00
4:41am
Cities on this clock

Frequently asked

Quick answers about converting between Irish Standard Time and Havana. Can't find what you need? Email [email protected].

What is the time difference between Irish Standard Time and Havana?
Irish Standard Time is 5 hours ahead of Havana 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 Irish Standard Time, what time is it in Havana?
11am in Irish Standard Time is 6am in Havana. That's early morning in Havana, before the typical working day begins. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Irish Standard Time and Havana?
2pm–5pm in Irish Standard Time lines up with 9am–12pm in Havana — 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 — IST and CDT — 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.