"Sun, 15 Sep 2024 01:22:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
01:22:21
General datetime
2024-09-15 01:22:21Z
For Database
2024-09-15 01:22:21
For HTTP1.1
Sun, 15 Sep 2024 01:22:21 GMT