"Sat, 25 May 2024 19:59:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
19:59:15
General datetime
2024-05-25 19:59:15Z
For Database
2024-05-25 19:59:15
For HTTP1.1
Sat, 25 May 2024 19:59:15 GMT