"Thu, 19 Dec 2024 15:36:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
15:36:21
General datetime
2024-12-19 15:36:21Z
For Database
2024-12-19 15:36:21
For HTTP1.1
Thu, 19 Dec 2024 15:36:21 GMT