"Sun, 02 Jun 2024 18:38:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240602
Only TIME
18:38:16
General datetime
2024-06-02 18:38:16Z
For Database
2024-06-02 18:38:16
For HTTP1.1
Sun, 02 Jun 2024 18:38:16 GMT