"Sun, 02 Jun 2024 18:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240602
Only TIME
18:21:39
General datetime
2024-06-02 18:21:39Z
For Database
2024-06-02 18:21:39
For HTTP1.1
Sun, 02 Jun 2024 18:21:39 GMT