Boston Time to CST Converter
CST is 1 hour behind EST. 9:00 AM EST = 8:00 AM CST.
CST is 1 hour behind EST. To convert Boston Time to CST, subtract 1 hour from the Boston Time time: 9:00 AM EST = 8:00 AM CST.
Boston Time (Boston time) is used in Boston, USA. CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year.
CST here means North American Central Standard Time, not China Standard Time.
Boston Time to CST time conversion table
Boston Time to CST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Boston Time | CST | Day |
|---|---|---|
| 12:00 AM EST | 11:00 PM CST | previous day |
| 1:00 AM EST | 12:00 AM CST | night |
| 2:00 AM EST | 1:00 AM CST | night |
| 3:00 AM EST | 2:00 AM CST | night |
| 4:00 AM EST | 3:00 AM CST | night |
| 5:00 AM EST | 4:00 AM CST | night |
| 6:00 AM EST | 5:00 AM CST | night |
| 7:00 AM EST | 6:00 AM CST | — |
| 8:00 AM EST | 7:00 AM CST | — |
| 9:00 AM EST | 8:00 AM CST | — |
| 10:00 AM EST | 9:00 AM CST | work hours |
| 11:00 AM EST | 10:00 AM CST | work hours |
| 12:00 PM EST | 11:00 AM CST | work hours |
| 1:00 PM EST | 12:00 PM CST | work hours |
| 2:00 PM EST | 1:00 PM CST | work hours |
| 3:00 PM EST | 2:00 PM CST | work hours |
| 4:00 PM EST | 3:00 PM CST | work hours |
| 5:00 PM EST | 4:00 PM CST | — |
| 6:00 PM EST | 5:00 PM CST | — |
| 7:00 PM EST | 6:00 PM CST | — |
| 8:00 PM EST | 7:00 PM CST | — |
| 9:00 PM EST | 8:00 PM CST | — |
| 10:00 PM EST | 9:00 PM CST | — |
| 11:00 PM EST | 10:00 PM CST | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Boston Time to CST
Subtract 1 hour from the Boston Time time to get CST.
Example: 9:00 AM EST = 8:00 AM CST.
Across midnight: 12:00 AM EST = 11:00 PM CST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Boston Time and CST
The time difference between Boston Time and CST is 1 hour all year – CST is behind EST.
Boston Time and CST during daylight saving time
- 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).
- 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).
Best time for a meeting between Boston Time and CST
Boston Time and CST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM EST lands between 9:00 AM and 4:00 PM CST, inside working hours for both.
Boston Time to CST FAQ
What is the time difference between Boston Time and CST?
CST is 1 hour behind EST all year. 9:00 AM EST = 8:00 AM CST.
What is 9 AM Boston Time in CST?
9:00 AM EST is 8:00 AM CST.
What is 12 PM (noon) Boston Time in CST?
12:00 PM EST is 11:00 AM CST.
Is CST ahead of or behind Boston Time?
CST is 1 hour behind EST, so it is earlier in CST than in Boston Time.
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.
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.
What is the best time for a meeting between Boston Time and CST?
Boston Time and CST share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM EST lands between 9:00 AM and 4:00 PM CST, 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 CST to Boston Time
Convert Boston Time to other time zones
Convert other time zones to CST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.