UTC, or Coordinated Universal Time, serves as the official global time standard, recognized internationally. Each region adjusts its local time in relation to UTC, with Korea operating at UTC+9. In contrast, UNIX Time represents a specific timestamp, indicating the seconds elapsed since January 1, 1970, at midnight UTC, disregarding leap seconds. Leap seconds correct discrepancies in time due to Earth’s rotational variances, which can occasionally increase a day’s length to 86,401 seconds.
UTC, or Coordinated Universal Time, is the world's standard for timekeeping, established through an international agreement, providing an accurate time reference globally.
The distinction between UTC and UNIX Time lies in their meanings; UTC refers to a standard time while UNIX Time counts the seconds since January 1, 1970, ignoring leap seconds.
Korean time is noted as UTC+9, indicating it is 9 hours ahead of UTC, whereas other regions, like the UK, follow UTC+0.
A leap second is added when needed due to Earth's rotational changes, making total seconds in a day sometimes exceed 86,400.
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