Convert Eastern Time to Lisbon, Portugal. Compare dates, seasonal differences and meeting hours.
ET is 4h or 5h behind Lisbon in 2026, depending on the date.
9 AM ET = 2 PM Lisbon
Selected date: November 10, 2026.
November 10, 2026 · Date changes are marked.
| ET | Lisbon |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| ET | Lisbon |
|---|---|
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM +1 day |
| 8:00 PM | 1:00 AM +1 day |
| 9:00 PM | 2:00 AM +1 day |
| 10:00 PM | 3:00 AM +1 day |
| 11:00 PM | 4:00 AM +1 day |
These examples start on 2026-11-10 in Lisbon.
ET follows America/New_York. On your selected date it uses UTC−05:00 (EST). Its offset can change when the regional clock rules change.
Fixed alternatives: EST (UTC−05:00) · EDT (UTC−04:00). These labels keep their stated UTC offset throughout the year.
Keeping 09:00 on the ET clock produces 2 different destination clock/date answers in 2026. The ranges below use ET calendar dates, including transition days.
| Dates in ET · 2026 | Lisbon answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 14:00Same date | UTC−05:00 → UTC | |
| Mar 8 – Mar 2821 dates | 13:00Same date | UTC−04:00 → UTC | |
| Mar 29 – Oct 24210 dates | 14:00Same date | UTC−04:00 → UTC+01:00 | |
| Oct 25 – Oct 317 dates | 13:00Same date | UTC−04:00 → UTC | |
| Nov 1 – Dec 3161 dates | 14:00Same date | UTC−05:00 → UTC |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
Your complete source day: 2026-11-10. Each range shows which destination date to use.
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
How Lisbon compares with ET throughout 2026.
Both ET and Lisbon change their clocks in 2026. The chart shows whether those changes alter the difference.
| From (UTC, inclusive) | Until (UTC, exclusive) | Lisbon vs ET |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 07:00 UTC | 5h ahead |
| 8 Mar 2026, 07:00 UTC | 29 Mar 2026, 01:00 UTC | 4h ahead |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 5h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 06:00 UTC | 4h ahead |
| 1 Nov 2026, 06:00 UTC | 1 Jan 2027, 00:00 UTC | 5h ahead |
The most frequent difference has Lisbon 5h ahead relative to ET. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with ET |
|---|---|---|
| 8 Mar 2026, 07:00 UTC | 29 Mar 2026, 01:00 UTC | 4h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Nov 2026, 06:00 UTC | 4h ahead |
Every date calculated with your working windows. 261 selected ET workdays; public holidays are not applied.
Start a 60-minute meeting in ET 09:00–11:00.
These starts fit both working windows on every selected ET workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
ET: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Lisbon: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
ET is 4h or 5h behind Lisbon in 2026, depending on the date. Both ET and Lisbon change their clocks in 2026. The chart shows whether those changes alter the difference.
The published rules produce 5 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
09:00 in ET on 2026-11-10 is 14:00 in Lisbon on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Your selected working windows share 3h on 2026-11-10. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.