"Fri, 21 Jun 2024 04:44:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
04:44:56
General datetime
2024-06-21 04:44:56Z
For Database
2024-06-21 04:44:56
For HTTP1.1
Fri, 21 Jun 2024 04:44:56 GMT