"Sun, 12 May 2024 16:11:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
16:11:00
General datetime
2024-05-12 16:11:00Z
For Database
2024-05-12 16:11:00
For HTTP1.1
Sun, 12 May 2024 16:11:00 GMT