Clockjumper

Time difference

St. Louis to Toronto Time Difference (2026)

Toronto is 1 hour ahead of St. Louis — when it's 12:00 PM in St. Louis, it's 1:00 PM in Toronto. (St. Louis (America/Chicago, CDT); Toronto (America/Toronto, EDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Toronto is 1 hour ahead of St. Louis. The best window for a call is 9 AM–4 PM in St. Louis, which is 10 AM–5 PM in Toronto — a 7-hour overlap inside 9 AM–5 PM on both sides. Clocks change on November 1, 2026, which briefly shifts the gap between St. Louis and Toronto — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in St. Louis, it's 10:00 AM in Toronto.
  • When it's 9:00 AM in Toronto, it's 8:00 AM in St. Louis.

Toronto is currently 1 hour ahead of St. Louis.

St. LouisCDT
8:47 PM
Wednesday, Jul 8
TorontoEDT
9:47 PM
Wednesday, Jul 8

Interactive converter

12:00PM

12
:
00

Best times to meet

The 9 AM – 5 PM business windows in St. Louis and Toronto overlap for 7 hours. 9 AM4 PM in St. Louis is 10 AM5 PM in Toronto. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

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

Daylight saving

On November 1, 2026, both St. Louis and Toronto shift for daylight saving. After that, Toronto will be 1 hour ahead of St. Louis (currently 1 hour ahead of St. Louis). The converter and the tables above always reflect the correct offset for the date you pick.

  • St. Louis is currently observing daylight saving time.
  • Toronto is currently observing daylight saving time.

Frequently asked questions

Is Toronto ahead of or behind St. Louis?
Toronto is 1 hour ahead of St. Louis.
How many hours ahead of St. Louis is Toronto?
Toronto is 1 hour ahead of St. Louis.
What time is 9 AM in St. Louis in Toronto?
9:00 AM in St. Louis is 10:00 AM in Toronto.
What time is noon in St. Louis in Toronto?
12:00 PM in St. Louis is 1:00 PM in Toronto.
What time is 5 PM in St. Louis in Toronto?
5:00 PM in St. Louis is 6:00 PM in Toronto. Useful for end-of-day handoffs between the two offices.
What time is 3 PM St. Louis in Toronto?
3:00 PM in St. Louis is 4:00 PM in Toronto.
Is St. Louis currently observing daylight saving time?
St. Louis is currently observing daylight saving time (summer time).
Is Toronto currently observing daylight saving time?
Toronto is currently observing daylight saving time (summer time).
Do St. Louis and Toronto observe daylight saving?
On November 1, 2026, both St. Louis and Toronto shift for daylight saving. After that, Toronto will be 1 hour ahead of St. Louis (currently 1 hour ahead of St. Louis). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call Toronto from St. Louis?
Aim for 9 AM–4 PM in St. Louis, which is 10 AM–5 PM in Toronto.
When is the best time to call St. Louis from Toronto?
Aim for 10 AM–5 PM in Toronto, which is 9 AM–4 PM in St. Louis.
St. Louis (CDT) to Toronto (EDT) — how do I convert quickly?
Add +1 hour to St. Louis local time to get Toronto local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.