"Sat, 19 Oct 2024 15:46:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
15:46:21
General datetime
2024-10-19 15:46:21Z
For Database
2024-10-19 15:46:21
For HTTP1.1
Sat, 19 Oct 2024 15:46:21 GMT