• Services
  • Mobile App
  • Calendar
  • Infoline
  • Alerts
  • Textback
  • Inflight

  • Excel format
  • Donate now
  • Mobile Web Site
  • Developer API
  • Halachic Clock
  • web widget
• Reading
  • Rabbinic approval
  • Accuracy
  • About degrees
  • Sources for tzes & misheyakir
  • Davening direction
  • Internet safety
  • When the fast came too fast
  • User feedback
  • External resources
    • When is Shabbos over? (R' Hoffman)
    • Zmanim when flying (R' Heber)
    • Zmanim when flying [mp3] (R' Heber)
    • Zmanim in the Arctic (R' Heber)
    • International Dateline (R' Heber)
    • Future of the leap second (Birth)
    • Interview with Yossel (Hamodia)
    • Halachic Clock (Mishpacha)
    • Graphical Clockfaces (Shulman)
• Login