For a Chabad shul
Most synagogue signage software will show you a clock and a slideshow. None of it knows what today's Chitas is. This was built for a Chabad shul wall first, and everything else came after.
Today's Chumash with Rashi, the day's Tehillim, and the Tanya — the actual text on the wall, not a reference to look up.
The daily Rambam, in the three-perakim cycle and the one-perek cycle.
The Hayom Yom for today, in full.
On Shabbos and every Yom Tov a screen comes up by itself — the greeting, a posuk, and that festival's own artwork.
Kept by Hebrew date, so they arrive on the right day every year without anyone recalculating.
Worked out on the screen for your own coordinates, in the shita your shul holds by. More on the zmanim.
Anyone can put the words on a screen. What tells a rov whether software was written by somebody who davens in a shul is where it gets the edges right.
The Hebrew date changes at shkia, not at midnight, and the Yom Tov greeting arrives with it. A board that switches at midnight says yesterday all evening and wishes people a gut yom tov several hours late.
Some months have two days of Rosh Chodesh, on the thirtieth and on the first. Both appear. A Rosh Chodesh that falls on Shabbos is not quietly replaced by the Shabbos screen either.
The Tanya cycle is not the same in a leap year. Both years are kept on file and the right one is used, rather than a single sequence that drifts for twelve months out of every nineteen.
Chabad or Ashkenaz. A shul that is not Chabad can turn the Chitas and Hayom Yom screens off entirely and keep the rest.
It runs at Chabad of Forest Lakes Estates, and at our own shul in Lauderhill where it was built. It is not a large company and this page is not going to pretend otherwise — you will be dealing with the person who wrote it.
People stand and look. The times are right to the minute, and the notices reach everybody without anyone taping a sheet to the wall. — the Rav of the shul where the first board runs