UNIX timestamps and time are converted to each other. UNIX timestamp (UNIX epoch, UNIX time, POSIX time or UNIX timestamp in English) is the number of seconds elapsed since January 1, 1970 (midnight of UTC / GMT), regardless of leap seconds.
Online random time generator, which supports online generation of random time, increasing time and decreasing time. You can specify the time format of the generated results, the generated quantity, and whether duplicates are allowed.
The online rice cooker reservation time calculator calculates the reservation waiting time according to the meal time and cooking time, or calculates the meal time according to the waiting time and cooking time.
A leap year calculator that calculates whether a certain year is a normal year or a leap year online, and can also calculate all leap years within a certain time range. This tool supports leap year calculations in BC.