"Sun, 12 May 2024 11:20:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
11:20:55
General datetime
2024-05-12 11:20:55Z
For Database
2024-05-12 11:20:55
For HTTP1.1
Sun, 12 May 2024 11:20:55 GMT