"Sun, 14 Apr 2024 08:54:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240414
Only TIME
08:54:04
General datetime
2024-04-14 08:54:04Z
For Database
2024-04-14 08:54:04
For HTTP1.1
Sun, 14 Apr 2024 08:54:04 GMT