"Sat, 11 May 2024 22:11:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
22:11:20
General datetime
2024-05-11 22:11:20Z
For Database
2024-05-11 22:11:20
For HTTP1.1
Sat, 11 May 2024 22:11:20 GMT