Alton to Saint Petersburg time converter

Saint Petersburg is 8 hours ahead of Alton. When it is 9:00 AM in Alton, it is 5:00 PM in Saint Petersburg.

Alton CDT

Wednesday, October 21, 2026

Saint Petersburg MSK

Thursday, October 22, 2026

Alton
Illinois, United States
Wed, Oct 21
CDTUTC-5
Saint Petersburg
St.-Petersburg, Russia
Thu, Oct 22
MSKUTC+3+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Alton to Saint Petersburg conversion table

Every hour of today in Alton and the matching time in Saint Petersburg. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Saint Petersburg).

Daylight saving time and the difference

The difference changes during the year because Alton and Saint Petersburg switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +8h
  • Nov 1, 2026 – Mar 14, 2027: +9h
  • Mar 14, 2027 – Oct 21, 2027: +8h

Distance

Alton and Saint Petersburg are 7,760 km (4,822 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Alton and Saint Petersburg?

Saint Petersburg is 8 hours ahead of Alton.

What time is it in Saint Petersburg when it is 9 AM in Alton?

When it is 9:00 AM in Alton, it is 5:00 PM in Saint Petersburg.

When is the best time to call Saint Petersburg from Alton?

Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Saint Petersburg).

Does the time difference between Alton and Saint Petersburg change?

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