SST is used for 2 different time zones. The table below shows each one with its offset and current time.
What SST can mean
Abbreviations are not standardised, and the same letters can stand for zones hours apart. When a message says SST, check the sender’s country or ask for the city.
| Name | UTC offset | Time now | Used in |
|---|---|---|---|
| Samoa Standard Time | UTC−11 | --:-- | Pacific/Pago_Pago |
| Singapore Standard Time | UTC+8 | --:-- | Asia/Singapore |
Where and when SST is used
| IANA time zone | Uses SST | Main cities |
|---|---|---|
| Pacific/Pago_Pago | All year | Pago Pago |
| Asia/Singapore | All year | Singapore, Ulu Bedok, Bedok New Town |
Tools for time in SST
- Convert a time to or from SST: pick a date and time and see it in every city on your list.
- Add Pago Pago to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in SST and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
Which time zone does SST mean?
It depends on who wrote it. Samoa Standard Time (UTC−11): Pago Pago; Singapore Standard Time (UTC+8): Singapore. Ask for a city or a UTC offset if the context does not make it clear.
What time is 12:00 SST in UTC?
12:00 SST is 11:00 PM UTC.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.