Time zone converter/CST to EST
CST to EST Converter
Eastern Standard Time (EST) is 1 hour ahead of Central Standard Time (CST). To convert CST to EST, add 1 hour.
- 9:00 AM CST→10:00 AM EST
- 10:00 AM CST→11:00 AM EST
- 10:30 AM CST→11:30 AM EST
- 11:30 AM CST→12:30 PM EST
EST = CST + 1 hour · CST = EST − 1 hour
Quick conversions
From
Central Standard Time (CST)
CST · UTC−6
10:00 AM is a starting time, not the current time in Central Standard Time.
To
Eastern Standard Time (EST)
EST · UTC−5
11:00 AM EST
EST is 1 hour ahead CST
1 hour ahead
Change the date or time above. The converted time is shown under To.
EST = CST + 1 hour · CST = EST − 1 hour
CST and EST keep winter time all year, so the gap stays one hour. If your invite only says Central or Eastern, choose the meeting date so the result matches local clocks that day — including daylight time in summer.
Quick CST to EST Answers
Common times people convert. Add one hour to go from CST to EST.
10 AM CST to EST
10:00 AM CST = 11:00 AM EST
10:30 AM CST to EST
10:30 AM CST = 11:30 AM EST
11 AM CST to EST
11:00 AM CST = 12:00 PM EST
11:30 AM CST to EST
11:30 AM CST = 12:30 PM EST
1 PM CST to EST
1:00 PM CST = 2:00 PM EST
7 PM CST to EST
7:00 PM CST = 8:00 PM EST
11 PM CST to EST
11:00 PM CST = 12:00 AM EST (next day)
CST to EST Conversion Table
Every hour of the day. Highlighted rows are times people look up often. When the Eastern clock has already moved into the next calendar day, the EST cell is marked Next day.
| CST | EST | Note |
|---|---|---|
| 12:00 AM CST | 1:00 AM EST | — |
| 1:00 AM CST | 2:00 AM EST | — |
| 2:00 AM CST | 3:00 AM EST | — |
| 3:00 AM CST | 4:00 AM EST | — |
| 4:00 AM CST | 5:00 AM EST | — |
| 5:00 AM CST | 6:00 AM EST | — |
| 6:00 AM CST | 7:00 AM EST | — |
| 7:00 AM CST | 8:00 AM EST | — |
| 8:00 AM CST | 9:00 AM EST | — |
| 9:00 AM CST | 10:00 AM EST | Popular |
| 10:00 AM CST | 11:00 AM EST | Popular |
| 11:00 AM CST | 12:00 PM EST | Popular |
| 12:00 PM CST | 1:00 PM EST | — |
| 1:00 PM CST | 2:00 PM EST | Popular |
| 2:00 PM CST | 3:00 PM EST | — |
| 3:00 PM CST | 4:00 PM EST | — |
| 4:00 PM CST | 5:00 PM EST | — |
| 5:00 PM CST | 6:00 PM EST | — |
| 6:00 PM CST | 7:00 PM EST | — |
| 7:00 PM CST | 8:00 PM EST | Popular |
| 8:00 PM CST | 9:00 PM EST | — |
| 9:00 PM CST | 10:00 PM EST | — |
| 10:00 PM CST | 11:00 PM EST | — |
| 11:00 PM CST | 12:00 AM EST · Next day | Next day |
Central Time to Eastern Time
Central Time is normally 1 hour behind Eastern Time — 10 AM Central is usually 11 AM Eastern. People say Central or Eastern year-round; the clock name shifts with the season (CST/EST in winter, CDT/EDT in summer), but the everyday one-hour gap stays the same for most of the US.
CST vs EST Time Difference
Eastern Standard Time is 1 hour ahead of Central Standard Time. Add 1 hour to convert CST to EST — 10 AM CST is 11 AM EST, and 3 PM CST is 4 PM EST.
- CST = UTC−6
- EST = UTC−5
- EST = CST + 1 hour
- CST = EST − 1 hour
CST here means US Central Standard Time, six hours behind UTC — not other places that share the same three letters.
CST/EST vs CT/ET: What’s the Difference?
| Term | Meaning |
|---|---|
| CST | Central Standard Time (winter time) |
| CDT | Central Daylight Time (summer time) |
| CT | Central Time — CST or CDT, depending on the date |
| EST | Eastern Standard Time (winter time) |
| EDT | Eastern Daylight Time (summer time) |
| ET | Eastern Time — EST or EDT, depending on the date |
Most of the US Central and Eastern regions change clocks in the same weeks, so Central to Eastern usually stays one hour apart all year. What changes is the label on the clock, not the gap between the two regions.
A CST to EST conversion always stays on winter time, even in July. A Central to Eastern conversion for a real date uses whatever local clocks show that day, including daylight time in summer.
Current Central and Eastern Time
What’s on the clock right now in Central and Eastern time. The CST and EST cards keep winter time all year, even when cities are on daylight time.
Central Time
--:--
CT
Eastern Time
--:--
ET
CST
UTC−6
Standard time all year
EST
UTC−5
Standard time all year
Central to Eastern Time Meeting Planner
Shared workday hours with the usual one-hour gap — roughly 9 AM–4 PM Central / 10 AM–5 PM Eastern. For a summer meeting, pick the date so both sides match local clocks.
| Central | Eastern | For calls |
|---|---|---|
| 9:00 AM | 10:00 AM | Works well for both (9 AM / 10 AM Eastern) |
| 10:00 AM | 11:00 AM | Works well for both (10 AM / 11 AM Eastern) |
| 11:00 AM | 12:00 PM | Works well for both (11 AM / noon Eastern) |
| 12:00 PM | 1:00 PM | Works well for both (noon / 1 PM Eastern) |
| 1:00 PM | 2:00 PM | Works well for both (1 PM / 2 PM Eastern) |
| 2:00 PM | 3:00 PM | Works well for both (2 PM / 3 PM Eastern) |
| 3:00 PM | 4:00 PM | Works well for both (3 PM / 4 PM Eastern) |
| 4:00 PM | 5:00 PM | Late day, still workable (4 PM / 5 PM Eastern) |
EST to CST Converter
Going the other way? Subtract 1 hour from an EST time to get CST.
About These Time Zones
Open a zone page for a standard-time label such as EST, or a regional clock like Eastern Time that follows daylight saving for the date you pick.
CST to EST FAQ
- What is 10 AM CST in EST?
- 10 AM CST is 11 AM EST. Add one hour. On everyday clocks, 10 AM Central Time is usually 11 AM Eastern Time too.
- What is 11:30 AM CST in EST?
- 11:30 AM CST is 12:30 PM EST. Half hours work the same way — just add one hour.
- How many hours ahead is EST from CST?
- One hour. Eastern Standard Time runs one hour ahead of Central Standard Time, so 3 PM CST is 4 PM EST.
- Is Central Time the same as CST?
- Not always. CST is Central Standard Time and stays on winter time all year. Central Time is what people say day to day — standard time in winter and daylight time in summer.
- Does CST to EST change during daylight saving time?
- No. CST and EST keep the same one-hour gap year-round. If a meeting invite only says Central or Eastern, pick that date so the labels match what local clocks show — including daylight time in summer.
- Is 11 PM CST midnight EST?
- Yes. 11:00 PM CST is 12:00 AM EST on the next calendar day.