Poll: how many minutes after shkiya do you end the fast

[Super Speed]

Whatever my husband tells me

Which is???

[aygart]

Which is???

probably an exact time not an amount after shkiah

[etech0]

Which is???

This time it was 8:57. When was shkiya?

[AnonymousUser]

This time it was 8:57. When was shkiya?

8:07, so I guess that means 50 minutes.

[etech0]

8:07, so I guess that means 50 minutes.

Sounds good

[Baruch]

45 minutes for all taaneisim. Tisha B'av - 50 minutes. Yom Kippur - 72 minutes.

[aygart]

probably an exact time not an amount after shkiah

This time it was 8:57. When was shkiya?

[MeirS]

This whole thing doesn't make any sense to me. How can you count Zmanim by minutes and not by degrees?

Would you say that it's just as dark 30 minutes after sunset in January, as it is 30 minutes after sunset in July?

I must be missing something because there are allot of Poskim who go by minutes.

Say, for example, Dawn, which I would usually go by 16.1°. The color of the sky will always be the same when the sun is 16.1° before the horizon (sunrise). Will it also always be the same 72 minutes before sunrise? I don't think so.

Anyone care to explain?

[Ergel]

This whole thing doesn't make any sense to me. How can you count Zmanim by minutes and not by degrees?

Would you say that it's just as dark 30 minutes after sunset in January, as it is 30 minutes after sunset in July?

I must be missing something because there are allot of Poskim who go by minutes.

Say, for example, Dawn, which I would usually go by 16.1°. The color of the sky will always be the same when the sun is 16.1° before the horizon (sunrise). Will it also always be the same 72 minutes before sunrise? I don't think so.

Anyone care to explain?

You are correct. I don't think there is what to explain

[Achas Veachas]

This whole thing doesn't make any sense to me. How can you count Zmanim by minutes and not by degrees?

Would you say that it's just as dark 30 minutes after sunset in January, as it is 30 minutes after sunset in July?

I must be missing something because there are allot of Poskim who go by minutes.

Say, for example, Dawn, which I would usually go by 16.1°. The color of the sky will always be the same when the sun is 16.1° before the horizon (sunrise). Will it also always be the same 72 minutes before sunrise? I don't think so.

Anyone care to explain?

When the Gemarah discusses the Zmanim for Tzeis and Alos it discusses them in terms of time after sunset/before sunrise.

[MeirS]

When the Gemarah discusses the Zmanim for Tzeis and Alos it discusses them in terms of time after sunset/before sunrise.

True, in fact I believe it's measured in distance not in minutes.

I (and many Poskim) take that to mean, 72 minutes before sunrise on March 21st or September 21st in Israel will be "Dawn".

At 72 minutes before sunrise on those days the sun is 16.1° below the horizon, therefore we set the time for "Dawn" 16.1° before sunrise.

The Gemoro does talk about minutes but when your trying to figure out different times of the day, based on the sun, it only make sense to calculate that based on where the sun would be, not a set amount of minutes before where the sun will be at a later point in the day.

[aygart]

This whole thing doesn't make any sense to me. How can you count Zmanim by minutes and not by degrees?

Would you say that it's just as dark 30 minutes after sunset in January, as it is 30 minutes after sunset in July?

I must be missing something because there are allot of Poskim who go by minutes.

Say, for example, Dawn, which I would usually go by 16.1°. The color of the sky will always be the same when the sun is 16.1° before the horizon (sunrise). Will it also always be the same 72 minutes before sunrise? I don't think so.

Anyone care to explain?

If you go with the basic explanation of Rabenu Tam that the times are based on the sun going through some sort of window in the sky (which we don't fully understand according to current science, to say the least) then the amount of time it would take to go through the window is presumably the same all year all over the world