"Sun, 26 May 2024 18:04:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
18:04:01
General datetime
2024-05-26 18:04:01Z
For Database
2024-05-26 18:04:01
For HTTP1.1
Sun, 26 May 2024 18:04:01 GMT