Porto to Crystal Lake time converter

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

Porto WEST

Wednesday, October 21, 2026

Crystal Lake CDT

Wednesday, October 21, 2026

Porto
Portugal
Wed, Oct 21
WESTUTC+1
Crystal Lake
Illinois, United States
Wed, Oct 21
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Porto to Crystal Lake conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 21, 2027: -6h

Distance

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

More conversions

Crystal Lake to PortoPorto to New YorkPorto to LondonPorto to Los AngelesPorto to ChicagoPorto to TorontoPorto to São PauloPorto to ParisPorto to BerlinPorto to MoscowPorto to DubaiPorto to New DelhiPorto to Bangkok
New York to Crystal LakeLondon to Crystal LakeLos Angeles to Crystal LakeChicago to Crystal LakeToronto to Crystal LakeSão Paulo to Crystal LakeParis to Crystal LakeBerlin to Crystal LakeMoscow to Crystal LakeDubai to Crystal LakeNew Delhi to Crystal LakeBangkok to Crystal Lake

Questions and answers

What is the time difference between Porto and Crystal Lake?

Crystal Lake is 6 hours behind Porto.

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

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

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

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

Does the time difference between Porto and Crystal Lake change?

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