"Sat, 25 May 2024 19:17:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
19:17:40
General datetime
2024-05-25 19:17:40Z
For Database
2024-05-25 19:17:40
For HTTP1.1
Sat, 25 May 2024 19:17:40 GMT