CST to Boston Time Converter
EST is 1 hour ahead of CST. 9:00 AM CST = 10:00 AM EST.
EST is 1 hour ahead of CST. To convert CST to Boston Time, add 1 hour to the CST time: 9:00 AM CST = 10:00 AM EST.
CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year. Boston Time (Boston time) is used in Boston, USA.
CST here means North American Central Standard Time, not China Standard Time.
CST to Boston Time time conversion table
CST to Boston Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| CST | Boston Time | Day |
|---|---|---|
| 12:00 AM CST | 1:00 AM EST | night |
| 1:00 AM CST | 2:00 AM EST | night |
| 2:00 AM CST | 3:00 AM EST | night |
| 3:00 AM CST | 4:00 AM EST | night |
| 4:00 AM CST | 5:00 AM EST | night |
| 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 | work hours |
| 10:00 AM CST | 11:00 AM EST | work hours |
| 11:00 AM CST | 12:00 PM EST | work hours |
| 12:00 PM CST | 1:00 PM EST | work hours |
| 1:00 PM CST | 2:00 PM EST | work hours |
| 2:00 PM CST | 3:00 PM EST | work hours |
| 3:00 PM CST | 4:00 PM EST | work hours |
| 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 | — |
| 8:00 PM CST | 9:00 PM EST | — |
| 9:00 PM CST | 10:00 PM EST | night |
| 10:00 PM CST | 11:00 PM EST | night |
| 11:00 PM CST | 12:00 AM EST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert CST to Boston Time
Add 1 hour to the CST time to get Boston Time.
Example: 9:00 AM CST = 10:00 AM EST.
Across midnight: 11:00 PM CST = 12:00 AM EST (next day). The date changes, so always check the day as well as the hour.
Time difference between CST and Boston Time
The time difference between CST and Boston Time is 1 hour all year – EST is ahead of CST.
CST and Boston Time during daylight saving time
- CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
- Boston Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between CST and Boston Time
CST and Boston Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM CST lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
CST to Boston Time FAQ
What is the time difference between CST and Boston Time?
EST is 1 hour ahead of CST all year. 9:00 AM CST = 10:00 AM EST.
What is 9 AM CST in Boston Time?
9:00 AM CST is 10:00 AM EST.
What is 12 PM (noon) CST in Boston Time?
12:00 PM CST is 1:00 PM EST.
Is Boston Time ahead of or behind CST?
EST is 1 hour ahead of CST, so it is later in Boston Time than in CST.
Does CST change for daylight saving time?
Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
Does Boston Time change for daylight saving time?
Yes. Boston Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between CST and Boston Time?
CST and Boston Time share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM CST lands between 10:00 AM and 5:00 PM EST, inside working hours for both.
Is CT the same as CST?
CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert Boston Time to CST
Convert CST to other time zones
Convert other time zones to Boston Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.