NST to CST Converter
Quick answers
NST is 2 hours and 30 minutes ahead of CST. NST uses GMT -3:30, and CST uses GMT -6 for this comparison.
For example, 8:30 am NST is 6:00 am CST. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 11:30am-5pm NST, which is 9am-2:30pm CST.
CST is a fixed UTC-6 standard-time offset. For current Central Time, compare NST to CDT or NST to CT.
Compare NST time with CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Newfoundland Standard Time is 2 hours and 30 minutes ahead of Central Standard Time
8:30 am08:30 in NST is 6:00 am06:00 in CST
NST to CST call time
Best time for a conference call or a meeting is between 11:30am-5pm in NST which corresponds to 9am-2:30pm in CST
8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
8:30 am08:30 NST / 6:00 am06:00 CST
| NST | CST |
|---|---|
| 12am (midnight) | 9:30 pm |
| 1am | 10:30 pm |
| 2am | 11:30 pm |
| 3am | 12:30 am |
| 4am | 1:30 am |
| 5am | 2:30 am |
| 6am | 3:30 am |
| 7am | 4:30 am |
| 8am | 5:30 am |
| 9am | 6:30 am |
| 10am | 7:30 am |
| 11am | 8:30 am |
| 12pm (noon) | 9:30 am |
| 1pm | 10:30 am |
| 2pm | 11:30 am |
| 3pm | 12:30 pm |
| 4pm | 1:30 pm |
| 5pm | 2:30 pm |
| 6pm | 3:30 pm |
| 7pm | 4:30 pm |
| 8pm | 5:30 pm |
| 9pm | 6:30 pm |
| 10pm | 7:30 pm |
| 11pm | 8:30 pm |
| 00:00 | 21:30 |
| 01:00 | 22:30 |
| 02:00 | 23:30 |
| 03:00 | 00:30 |
| 04:00 | 01:30 |
| 05:00 | 02:30 |
| 06:00 | 03:30 |
| 07:00 | 04:30 |
| 08:00 | 05:30 |
| 09:00 | 06:30 |
| 10:00 | 07:30 |
| 11:00 | 08:30 |
| 12:00 | 09:30 |
| 13:00 | 10:30 |
| 14:00 | 11:30 |
| 15:00 | 12:30 |
| 16:00 | 13:30 |
| 17:00 | 14:30 |
| 18:00 | 15:30 |
| 19:00 | 16:30 |
| 20:00 | 17:30 |
| 21:00 | 18:30 |
| 22:00 | 19:30 |
| 23:00 | 20:30 |
Newfoundland Standard Time
Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada
Principal Cities: The largest city in the NST time zone is St Johns in Canada, with about 99,182 people. Other major cities in this time zone include Mount Pearl, Corner Brook, Conception Bay South.
French: HNT - Heure Normale de Terre-Neuve

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Newfoundland Daylight Time (NDT).
Start: Newfoundland Standard Time (NST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Newfoundland Standard Time (NST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
NST representations, usage and related time zones
- -0330 - basic
- -03:30 - extended
- -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the west of the zero meridian.
- America/St_Johns
- Canada/Newfoundland
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
