"Thu, 23 May 2024 07:40:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240523
Only TIME
07:40:45
General datetime
2024-05-23 07:40:45Z
For Database
2024-05-23 07:40:45
For HTTP1.1
Thu, 23 May 2024 07:40:45 GMT