"Sun, 02 Jun 2024 20:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240602
Only TIME
20:20:03
General datetime
2024-06-02 20:20:03Z
For Database
2024-06-02 20:20:03
For HTTP1.1
Sun, 02 Jun 2024 20:20:03 GMT