"Fri, 21 Jun 2024 07:55:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
07:55:09
General datetime
2024-06-21 07:55:09Z
For Database
2024-06-21 07:55:09
For HTTP1.1
Fri, 21 Jun 2024 07:55:09 GMT