"Sun, 23 Jun 2024 08:56:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
08:56:45
General datetime
2024-06-23 08:56:45Z
For Database
2024-06-23 08:56:45
For HTTP1.1
Sun, 23 Jun 2024 08:56:45 GMT