"Sat, 11 May 2024 12:44:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
12:44:19
General datetime
2024-05-11 12:44:19Z
For Database
2024-05-11 12:44:19
For HTTP1.1
Sat, 11 May 2024 12:44:19 GMT