I know there is some discussion in space/planets.. How would you keep shabbos in space? The Rabbi I asked this shabbat pretty much said the same thing; and you go by Jerusalem time when in doubt. ...
Say one is bored on a Saturday afternoon. Is it permissible--if one finds it entertaining--to pack his suit case when leaving on a long trip the following day?
What can a person who is staying at a hotel which has only electronic sliding doors that open when one walks near them do to avoid any issue on shabbat? Wait for someone else to enter and ...
How close to the shul would a Rabbi generally require congregants or a prospective convert to move (in kilometers please!)?
Assuming that there are no problems regarding paying for it (either you entered the system before Shabbat, or a non-Jew paid for you): What are the halakhic issue with riding the subway on Shabbat? ...
If I take off from Melbourne on Motzei Shabbos, I will hit the Date-Line, loose a day, and end up flying on Shabbos for a short period of time until the sun catches up again. Am I allowed to do this? ...
Is riding a bicycle on Shabbat permitted within an eiruv, being ridden only on pavement (so no unintended plowing), for transportation and not exercise, and with the understanding that repairs aren't ...
Where is the Sambatyon? Is there really a river somewhere that throws stones all week and rests on Shabbos?
According to halakha, where is the international date line? More specifically, I have heard that some people say you should observe Shabbat on Sunday in Japan & New Zealand and/or on Friday in ...