"Sun, 12 Jan 2025 05:40:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
05:40:04
General datetime
2025-01-12 05:40:04Z
For Database
2025-01-12 05:40:04
For HTTP1.1
Sun, 12 Jan 2025 05:40:04 GMT