Crystal Lake to Porto time converter

Porto is 6 hours ahead of Crystal Lake. When it is 9:00 AM in Crystal Lake, it is 3:00 PM in Porto.

Crystal Lake CDT

Wednesday, October 21, 2026

Porto WEST

Wednesday, October 21, 2026

Illinois, United States
Wed, Oct 21
CDTUTC-5
Portugal
Wed, Oct 21
WESTUTC+1+6h
Finding your time zone…

2:14 AM in Crystal Lake, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Crystal Lake to Porto conversion table

Every hour of today in Crystal Lake and the matching time in Porto. Light rows are typical working hours (9:00–18:00).

Crystal LakePorto
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AM+1 day
7:00 PM1:00 AM+1 day
8:00 PM2:00 AM+1 day
9:00 PM3:00 AM+1 day
10:00 PM4:00 AM+1 day
11:00 PM5:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Crystal Lake (3:00 PM – 6:00 PM in Porto).

Daylight saving time and the difference

The difference changes during the year because Crystal Lake and Porto switch clocks on different dates:

  • Oct 21, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 21, 2027: +6h

Distance

Crystal Lake and Porto are 6,358 km (3,951 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Crystal Lake and Porto?

Porto is 6 hours ahead of Crystal Lake.

What time is it in Porto when it is 9 AM in Crystal Lake?

When it is 9:00 AM in Crystal Lake, it is 3:00 PM in Porto.

When is the best time to call Porto from Crystal Lake?

Both sides are at work from 9:00 AM – 12:00 PM in Crystal Lake (3:00 PM – 6:00 PM in Porto).

Does the time difference between Crystal Lake and Porto change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.