"Sun, 12 May 2024 18:41:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
18:41:04
General datetime
2024-05-12 18:41:04Z
For Database
2024-05-12 18:41:04
For HTTP1.1
Sun, 12 May 2024 18:41:04 GMT