"Fri, 21 Jun 2024 04:00:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
04:00:56
General datetime
2024-06-21 04:00:56Z
For Database
2024-06-21 04:00:56
For HTTP1.1
Fri, 21 Jun 2024 04:00:56 GMT