Philippine Standard Time (PST) is the name used in the Philippines to describe its location among the world's time zones. Geographically, the Philippines lies within 116° 40' and 126° 34' east of the Prime Meridian, and as such is physically located within the UTC+8 time zone. The time zone also includes areas such as western Australia, China, Hong Kong, central Indonesia, Malaysia and Singapore. Philippine Standard Time is maintained by the Philippine Atmospheric, Geophysical and Astronomical Services Administration, or PAGASA. A time zone is a region of the Earth that has adopted the same standard time, usually referred to as the local time. ... Location of the Prime Meridian Prime Meridian in Greenwich The Prime Meridian, also known as the International Meridian or Greenwich Meridian, is the meridian (line of longitude) passing through the Royal Greenwich Observatory, Greenwich, England — it is the meridian at which longitude is 0 degrees. ... Chinese Standard Time Hong Kong Time Australian Western Standard Time Singapore Standard Time In detail Australia (AWST—Australian Western Standard Time) Western Australia (most of state) Brunei Peoples Republic of China, including mainland China, Hong Kong and Macau Indonesia (Central) Malaysia Mongolia* (most of country) Philippines Russia Buryatia* Irkutsk... Australian Western Standard Time or AWST is a time zone eight hours ahead of UTC. It is the same time zone as Chinese Standard Time. ... In Indonesia, the keeping of standard time is divided into three time zones: Indonesian Western Standard Time (Indonesian: Waktu Indonesia Barat/WIB) (UTC+7) WIB is observed in islands of Sumatra, Java, provinces of West Kalimantan and Central Kalimantan Indonesian Central Standard Time (Waktu Indonesia Tengah/WITA) (UTC+8) WITA... The Philippine Atmospheric, Geophysical and Astronomical Services Administration, PAGASA, is a Philippine national institution dedicated to provide flood and typhoon warnings, public weather forecasts and advisories, meteorological, astronomical, climatological, and other specialized information and services primarily for the protection of life and property and in support of economic, productivity and...

The basis for Philippine Standard Time is usually the current time in Manila. However, due to geography, some areas are either ahead or behind standard Philippine Standard Time. This can be felt in some areas, where the official time in Davao City, for example, is fifteen minutes ahead of the time in Manila. Manila (Tagalog: Maynila) is the capital of the Philippines. ... Davao City is one of the most important cities on the island of Mindanao, and is the largest city in the Philippines in area. ...

Modern Philippine Standard Time was instituted through Batas Pambansa Blg. 8, the law defining the metric system, which was approved on December 2, 1978 and implemented on January 1, 1983. In the 1990s, due to frequent power outages, daylight saving time was instituted. It ended a few years later as the Philippine power supply and transmission systems improved and is presently not in use. Republic Acts are laws in the Philippines, created by the Congress and signed by the president. ... The International System of Units (symbol: SI) (for the French phrase Syst me International dUnit s) is the most widely used system of units. ... December 2 is the 336th day (337th in leap years) of the year in the Gregorian calendar. ... 1978 (MCMLXXVIII) was a common year starting on Sunday (the link is to a full 1978 calendar). ... January 1 is the first day of the calendar year in both the Julian and Gregorian calendars. ... 1983 (MCMLXXXIII) was a common year starting on Saturday of the Gregorian calendar. ... The 1990s decade refers to the years from 1990 to 1999, inclusive. ... A power outage is the loss of the electricity supply to an area. ... Daylight saving time (DST), often referred to as daylight savings time, is a widely used system of adjusting the official local time forward, usually one hour, from its official standard time for the summer months. ...

See also

• Geography of the Philippines