Parse about any Arabic textual datetime description into a Unix timestamp

Arabic StrToTime:

Parse about any Arabic textual datetime description into a Unix timestamp.

The function expects to be given a string containing an Arabic date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT), relative to the timestamp given in now, or the current time if none is supplied.

Example Output 1:

Wednesday 25th June 2025

الخميس القادم - 1750896000 - Thursday 26th June 2025

الأحد الماضي - 1750550400 - Sunday 22nd June 2025

بعد أسبوع و ثلاثة أيام - 1751688954 - Saturday 05th July 2025

منذ تسعة أيام - 1750047354 - Monday 16th June 2025

قبل إسبوعين - 1749615354 - Wednesday 11th June 2025

2 آب 1975 - 176169600 - Saturday 02nd August 1975