"Sun, 11 Feb 2024 20:14:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240211
Only TIME
20:14:57
General datetime
2024-02-11 20:14:57Z
For Database
2024-02-11 20:14:57
For HTTP1.1
Sun, 11 Feb 2024 20:14:57 GMT