DistanceBetweenTimestampSecond from and to must be unix timestamp must be from < to return days, hours, minutes, seconds.

DistanceBetweenTimestampSecondHuman convert DistanceBetweenTimestampSecond to human-readable if from > to, return "N/A" if from == to, return "0s" if from < to, return "daysd hoursh minutesm secondss".

FormatDateByDefault Format time to default date format.

FormatDateTimeByDefault Format time to default date time format.

FromRFC3339 Convert RFC3339 to default custom date format.

SupportDateFormats Return all support date formats For showing only.

ToDefaultDate Whatever date format is, always return default date format.

ToRFC3339 Convert YYYY/MM/DD and more to RFC3339.