"Sun, 20 Oct 2024 16:21:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
16:21:04
General datetime
2024-10-20 16:21:04Z
For Database
2024-10-20 16:21:04
For HTTP1.1
Sun, 20 Oct 2024 16:21:04 GMT