"Sun, 29 Dec 2024 23:48:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
23:48:11
General datetime
2024-12-29 23:48:11Z
For Database
2024-12-29 23:48:11
For HTTP1.1
Sun, 29 Dec 2024 23:48:11 GMT