Houston, United States Lisbon, Portugal

Houston is in the CDT timezone (UTC-5) and Lisbon is in the WEST timezone (UTC+1). The time difference between them is 6 hours.

Use the timeline above to find overlapping business hours between Houston and Lisbon. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).

Both Houston and Lisbon observe Daylight Saving Time, but their transitions may happen on different dates, which can temporarily change the time difference by ±1 hour.

Click the pencil icon next to the Houston clock and type any time. The Lisbon clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.