Every country of the world has its own standard time like Singapore standard time that is also called SGT. Singapore Standard Time (SST) eight hours ahead of Coordinated Universal Time (UTC) +08:00. However, at the moment Singapore does not follow the daylight saving time. Singapore Standard Time is also called as Waktu Piawai Singapura (WPS). Singapore and Hong Kong at the moment have the same standard time. This is because both countries are located in the same time zone.
Singapore initially adopted Malayan time, but later it adopted Tokyo standard time. However, in 1981 Singapore adopted standard time to UTC +8:00. This standard time was adopted in flights and travel schedule. Singapore standard time is eight hours ahead from the GMT or Greenwich Mean Time. However, Singapore standard time is three hours a head from the Pakistan standard time. Singapore time now is calculated through GMT or Greenwich Mean Time. So, in simple words Singapore is eight hours ahead from the GMT.