Unix timestamp converter
Convert Unix seconds or milliseconds and ISO 8601 instants.
Open toolDate & time
Calculate completed years, months and days between two dates.
Calculate completed years, months and days between two dates.
Convert Unix seconds or milliseconds and ISO 8601 instants.
Open toolCalculate the signed number of days between calendar dates.
Open toolAdd calendar months and days, clamping month-end dates when needed.
Open toolCount weekdays between two dates, excluding an optional holiday list.
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