Study tools
Zmanim
Sea level unless stated: correct your city's elevation, it makes sunrise earlier and sunset later.
Rounded stringently: a deadline to the minute before, a start to the minute after.
Shabbat settings
Gematria
To find the words of a book with a given value, search for “גימטריה: 26” in the reader.
Hebrew date of a day
The Hebrew date changes at sunset: in the evening it is already the next day.