1 AM CST to EST
1:00 AM CST is 2:00 AM EST.
1 AM CST in other time zones
Quarter hours: 1 AM, 1:15, 1:30 and 1:45 CST
- 1:00 AM CST = 2:00 AM EST
- 1:15 AM CST = 2:15 AM EST
- 1:30 AM CST = 2:30 AM EST
- 1:45 AM CST = 2:45 AM EST
1 AM CST to EST FAQ
What is 1 AM CST in EST?
1:00 AM CST is 2:00 AM EST.
Is 1 AM CST the same day in EST?
Yes. 1:00 AM CST and 2:00 AM EST fall on the same calendar day.
What is 1:30 AM CST in EST?
1:30 AM CST = 2:30 AM EST.
Is 1 AM CT the same as 1 AM CST?
CT (Central Time) is the year-round name for these clocks, so 1 AM CT means 1 AM CST on today's date. 1:00 AM CST is 2:00 AM EST.
Related conversions
All CST to EST times
12 AM CST to EST1 AM CST to EST2 AM CST to EST3 AM CST to EST4 AM CST to EST5 AM CST to EST6 AM CST to EST7 AM CST to EST8 AM CST to EST9 AM CST to EST10 AM CST to EST11 AM CST to EST12 PM CST to EST1 PM CST to EST2 PM CST to EST3 PM CST to EST4 PM CST to EST5 PM CST to EST6 PM CST to EST7 PM CST to EST8 PM CST to EST9 PM CST to EST10 PM CST to EST11 PM CST to EST
Convert EST to CST
Convert CST to other time zones
Convert other time zones to EST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.