"Sat, 11 May 2024 18:43:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
18:43:01
General datetime
2024-05-11 18:43:01Z
For Database
2024-05-11 18:43:01
For HTTP1.1
Sat, 11 May 2024 18:43:01 GMT