"Wed, 15 May 2024 07:40:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
07:40:45
General datetime
2024-05-15 07:40:45Z
For Database
2024-05-15 07:40:45
For HTTP1.1
Wed, 15 May 2024 07:40:45 GMT