Zmanim Today – Daily Halachic Times
Today's zmanim for your location: Alot HaShachar, sunrise, Sof Zman Shema and Tefillah, Chatzot, Mincha, sunset, and Tzeit HaKochavim. Runs in your browser.
Your location is used only in your browser to calculate these times — it's never sent to a server or stored.
Zmanim Today shows every halachic time for today, based on your location: Alot HaShachar, Misheyakir, sunrise, Sof Zman Shema and Tefillah, Chatzot, Mincha Gedola and Ketana, Plag HaMincha, sunset, and Tzeit HaKochavim. Each zman also shows its calculation method, since several of them have more than one real halachic opinion. Everything runs in your browser using the location you approve; nothing is sent to a server.
How to use this tool
- 01Choose a locationTap "Share my location" to use your current location, or pick a city from the list.
- 02Get today's zmanimThe tool shows a table of every zman for the day, from Alot HaShachar to Tzeit HaKochavim, based on today's date at the location you chose.
- 03Check the calculation methodFor zmanim with more than one opinion, like Sof Zman Shema, both methods (GRA and Magen Avraham) are shown separately.
When is this useful?
- Accurate times for your exact locationZmanim depend on location and season. The tool calculates them precisely for your coordinates, not a nearby city or a general average.
- Planning your day around prayer timesCheck ahead of time when the day's main zmanim fall, to plan prayer, meals, or other activities around them.
- Comparing calculation methodsFor disputed zmanim, like Alot HaShachar or Sof Zman Shema, you can clearly see the difference between the methods.
Examples
- Morning prayerWant to know the latest time for Shema or Shacharit today? The tool shows Sof Zman Shema and Sof Zman Tefillah by both commonly used methods.
- MinchaThe tool shows Mincha Gedola (the earliest time) and Mincha Ketana, plus Plag HaMincha, relevant for early Friday candle lighting.
- NightfallWant to know when a fast ends or when melacha may resume after Shabbat? The tool shows Tzeit HaKochavim by the 3-small-stars method and by a fixed 72 minutes.
Tips for a better result
- This isn't a halachic rulingThe tool gives an astronomical-halachic calculation based on published, documented methods. For sensitive matters, verify with a rabbi or your community.
- The compass and other toolsPrayer direction has its own tool, the Jerusalem Prayer Compass. Zmanim Today covers only the day's times, not direction.
- Not every zman shows everywhereAt very high latitudes, in some seasons the sun may not cross a given angle on a particular day, and that zman won't be shown.
How the times are calculated
Calculation happens in two steps. First, the sun's exact position in the sky is computed throughout the day, from the date and your latitude/longitude. Then, each halachic zman is defined either by a solar depression angle (e.g. 16.1° below the horizon for Alot HaShachar) or by "shaos zmaniyos" (proportional hours, not regular hours), following the documented halachic source for that zman.
Shaos Zmaniyos: GRA vs. Magen Avraham
Zmanim like Sof Zman Shema and Sof Zman Tefillah are calculated using "shaos zmaniyos" — the halachic day divided into 12 equal parts. Per the GRA, the day runs from sunrise to sunset. Per the Magen Avraham, the day starts at Alot HaShachar and ends at Tzeit HaKochavim (here, the fixed-72-minute version), making the day — and each proportional hour — longer. Both methods are shown separately, never merged into one answer.
Alot HaShachar, Misheyakir, and Tzeit HaKochavim
Alot HaShachar is calculated here at 16.1° below the horizon. Misheyakir, the time one can recognize an acquaintance at a distance, is shown in two versions: 11.5° (the more commonly published value) and 10.2° (the stricter opinion). Tzeit HaKochavim is shown both at 8.5° (3 small stars) and at a fixed 72 minutes after sunset.
Privacy
Your location is used only in your browser to calculate the times — it's never sent to a server or stored. Choosing a city from the list also stays on your device only.
Frequently asked questions
Why are there two methods for Sof Zman Shema?
Because there's a real halachic dispute about when the halachic day begins and ends. The GRA holds the day runs sunrise-to-sunset; the Magen Avraham holds it runs Alot-to-Tzeit. The tool shows both methods separately.
Does this tool replace a halachic ruling?
No. It gives an astronomical-halachic calculation based on published, documented methods. For sensitive matters, especially if you follow a specific community custom, verify with a rabbi or posek.
Do I need to share my location to use this?
No. You can also pick a city from the list without granting the browser access to your device's location.
Is my location saved or sent to a server?
No. All calculation happens in your browser only. Your location is never sent to a server and never stored.
Are the times accurate for anywhere in the world?
Times are calculated from your exact latitude/longitude and date, so they fit any location. At very high latitudes, in some seasons a particular zman may not display, because the sun doesn't reach the required angle that day.
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