iKaluach™ Help
Use this guide to learn the app, understand its calendar, and see how iKaluach calculates zmanim for different communities.
Using iKaluach
Getting startedThe main screen, and choosing your location.
Calendar display and navigationCivil Month, Hebrew Month, swiping, and the year arrows.
Date details and zmanimThe list below the grid, and choosing the zmanim method you follow.
Locations and settingsSaved locations, Israel or diaspora, candle lighting, and preferences.
Custom zmanim profilesChoose a different supported opinion for each applicable zman.
Personal eventsYahrzeits, birthdays, anniversaries, civil recurrences, and one-time dates.
Alarms and remindersZmanim alarms and event reminders — never on Shabbat or Yom Tov.
TroubleshootingLocation permission, notifications, and other common issues.
Understanding zmanim
Understanding the available methodsGeneric GRA and Magen Avraham methods, regional variants, and community-specific traditions.
How time is measuredRegular, proportional, strict proportional, and equivalent or solar-angle time.
Why calendars show different timesMethods, coordinates, elevation, astronomical assumptions, and rounding.
Choosing a methodHow to interpret several legitimate calendar traditions.
Zmanim (halachic times)Plain-language descriptions of Alot, Misheyakir, Hanetz, and the other times shown by iKaluach.
Community-specific zmanim shitot
Rav Ovadia YosefBaghdad, Jerusalem, and the broad Sephardi halachic tradition.
Rav Mordechai EliyahuJerusalem practice and the Ben Ish Chai tradition.
Rav Meir MazuzKisei Rachamim and the traditions of Tunisia and Djerba.
Maaseh NissimRav Nissim Kaduri Chazan and the preservation of Baghdad practice.
Chabad.org calculation methodThe Alter Rebbe’s tradition, Chabad’s published solar-angle rules, and its internal proportional day.
Jewish and Israeli calendar observances
About Israeli observancesHow iKaluach presents civil and national dates alongside the Hebrew calendar.
Holidays and observancesSpecial Shabbatot, candle lighting, fasts, and Pesach-specific times.
Historical civil calendarsPapal, UK, and Russian Julian-to-Gregorian transitions.
Earliest observancesHistorical starting points, including Yom HaZikaron in 5711 / 1951.
Yom HaShoahThe official date and its rules for avoiding conflict with Shabbat.
Yom HaZikaronEstablished as a separate national remembrance day in 5711 / 1951.
Yom Ha’atzmautHow the national day and Yom HaZikaron move together.
Halachic guidance: This guide explains the calculations used by the app. It is educational and does not replace guidance from a qualified rav.