Offset
The time difference between Eastern Time and Vienna is 6 hours.
Eastern Time (EDT) is behind Vienna (CEST).
EDT: UTC-4
CEST: UTC+2
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–11 AM in Eastern Time (3 PM–5 PM in Vienna).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Eastern Time (4:00 PM Vienna).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
Austria
- New Year's DayThu, Jan 1
- EpiphanyTue, Jan 6
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- National HolidayFri, May 1
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Corpus ChristiThu, Jun 4
- Assumption DaySat, Aug 15
- National HolidayMon, Oct 26
- All Saints' DaySun, Nov 1
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
About these zones
Eastern Time is also known as EST, or EDT. To call United States, dial +1.
Vienna uses Central European Time (CET, or CEST). To call Austria, dial +43.
Vienna is approximately 4,200 miles northeast of Eastern Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| EST | Vienna | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Both zones observe daylight saving time, but they transition on different dates.
Eastern Time: next transition on Sunday, November 1, 2026.
Vienna: next transition on Sunday, October 25, 2026.
For approximately 7 days between transitions, the offset between Eastern Time and Vienna differs from its typical value. Recurring meetings during this window will shift by one hour.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:25 AM
- Sunset
- 8:27 PM
- Day length
- 15h 2m
- Sunrise
- 4:55 AM
- Sunset
- 8:54 PM
- Day length
- 15h 59m
Daylight overlap: 9h 29m — 5:25 AM–2:54 PM in Eastern Time (11:25 AM–8:54 PM in Vienna). Both locations are in daylight during this window.
Cities in these zones
Cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern Time
- EWR
- HPN
- JFK
- LGA
- TEB
- ILG
- PHL
- TTN
- CLT
- USA
Airports in Central European Time
- VIE
Related conversions
Common conversions
- What is 9:00 am EST in Vienna?
- 9:00 am EST is 3:00 pm Vienna.
- What is 12:00 pm EST in Vienna?
- 12:00 pm EST is 6:00 pm Vienna.
- What is 12:30 pm EST in Vienna?
- 12:30 pm EST is 6:30 pm Vienna.
- What is 2:00 pm EST in Vienna?
- 2:00 pm EST is 8:00 pm Vienna.
- What is 5:00 pm EST in Vienna?
- 5:00 pm EST is 11:00 pm Vienna.
- What is 11:30 pm EST in Vienna?
- 11:30 pm EST is 5:30 am Vienna, the next day.