What is the definition of alot hashachar (dawn) — does it begin before the eastern sky lightens or only once the eastern sky lights up?

When does the time for reciting the morning Shema begin?

5 opinions

Until when does the time for reciting the morning Shema extend (the primary window)?

3 opinions

What is the ideal (mehadrin) time to recite morning Shema — the practice of the Vatikim?

5 opinions

May one recite morning Shema before the proper start time (before misheyakir) when under duress — such as traveling in a dangerous area or with an impatient caravan?

5 opinions

If one recited morning Shema from alot hashachar without being under duress, did he fulfill his obligation?

2 opinions

If one recited Shema from alot hashachar without blessings, must he repeat it with blessings at the proper time?

1 opinions

May one who missed evening Shema recite it after alot hashachar before netz hachamah to fulfill the evening obligation?

2 opinions

If one used the alot-to-netz window to fulfill the evening Shema obligation, may he immediately recite morning Shema in the same window to fulfill the morning obligation?

2 opinions