"Sun, 19 Jan 2025 04:51:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
04:51:51
General datetime
2025-01-19 04:51:51Z
For Database
2025-01-19 04:51:51
For HTTP1.1
Sun, 19 Jan 2025 04:51:51 GMT