"Sun, 02 Jun 2024 18:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240602
Only TIME
18:21:40
General datetime
2024-06-02 18:21:40Z
For Database
2024-06-02 18:21:40
For HTTP1.1
Sun, 02 Jun 2024 18:21:40 GMT