T to S Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:00 am05:00 T (UTC-7), Nov 9, 2026 = 6:00 am06:00 S (UTC-6), Nov 9, 2026
T is 1 hour behind S.
T and S examples
These examples always use T (UTC-7) and S (UTC-6). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
T is 1 hour behind S.
How the time difference changes
T is 1 hour behind S year-round.
Working hours of 9:00 am to 6:00 pm in T correspond to 10:00 am to 7:00 pm in S.Working hours of 09:00 to 18:00 in T correspond to 10:00 to 19:00 in S.
Compare T time with S time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Tango Time Zone is 1 hour behind Sierra Time Zone.
5:00 am05:00 in T is 6:00 am06:00 in S
T to S call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in T which corresponds to 10am-6pm10:00-18:00 in S.
5:00 am05:00 Tango Time Zone (T). Offset UTC -7:00 hours
6:00 am06:00 Sierra Time Zone (S). Offset UTC -6:00 hours
5:00 am05:00 T / 6:00 am06:00 S
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| T | S |
|---|---|
| 1:00am | |
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| 12:00am next day | |
| 01:00 | |
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| 05:00 | |
| 06:00 | |
| 07:00 | |
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| 18:00 | |
| 19:00 | |
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| 23:00 | |
| 00:00 next day |
Tango Time Zone
Offset: T is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the T time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, Phoenix, Ciudad Juárez, San Diego.
Daylight Saving: Some places on Tango Time Zone (T) keep the same time all year, while others use T for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today some of the lighter areas are on UTC−8 (Pacific Standard Time).
T representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for T
- T - short form of 'Tango'
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Sierra Time Zone
Offset: S is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Chile, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the S time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
Daylight Saving: Some places on Sierra Time Zone (S) keep the same time all year, while others use S for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today some of the lighter areas are on UTC−7 (MST).
S 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 S
- S - short form of 'Sierra'
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone