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The time of day is sometimes represented as a decimal fraction of a day in science and computers. Standard 24-hour time is converted into a fractional day by dividing the number of hours elapsed since midnight by 24 to make a decimal fraction. Thus, midnight is 0.0 day, noon is 0.5 d, etc., which can be added to any type of date, including (all ...
In many countries it is common in spoken language to refer to times in minutes or fractions of an hour relative to the following hour rather than the previous one for times after the 30 minute mark – eg 8:55 would be said as "five to nine", and 6:45 would be "quarter to seven".
For example, 19:45 would be written as 下午7:45; xiàwǔ qī shí sìshíwǔ ("after noon seven hours forty-five") or 下午7點45分; xiàwǔ qī diǎn sìshíwǔ fēn ("after noon seven hours forty-five minutes"). Time written in the 24-hour system can be read as is, so 19:45 is read as shíjiǔdiǎn sìshíwǔfēn; 'nineteen hours', 'forty ...
The commission rejected the seconds-pendulum definition of the metre the following year because the second of time was an arbitrary period equal to 1/86,400 day, rather than a decimal fraction of a natural unit. Instead, the metre would be defined as a decimal fraction of the length of the Paris Meridian between the equator and the North Pole.
One hour of time is divided into 60 minutes, and one minute is divided into 60 seconds. Thus, a measurement of time such as 3:23:17 (3 hours, 23 minutes, and 17 seconds) can be interpreted as a whole sexagesimal number (no sexagesimal point), meaning 3 × 60 2 + 23 × 60 1 + 17 × 60 0 seconds.
To resolve ambiguity, "P1M" is a one-month duration and "PT1M" is a one-minute duration (note the time designator, T, that precedes the time value). The smallest value used may also have a decimal fraction, [39] as in "P0.5Y" to indicate half a year. This decimal fraction may be specified with either a comma or a full stop, as in "P0,5Y" or "P0 ...
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Time zones of South Asia, with Nepal Standard Time indicated. Nepal Standard Time (NPT) is the time zone for Nepal. [1] With a time offset from Coordinated Universal Time (UTC) of UTC+05:45 all over Nepal, [2] [3] it is one of only three time zones with a 45-minute offset from UTC.