"Sun, 12 May 2024 18:05:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
18:05:58
General datetime
2024-05-12 18:05:58Z
For Database
2024-05-12 18:05:58
For HTTP1.1
Sun, 12 May 2024 18:05:58 GMT