Orach Chaim 425:3-428:3. - Rosh Chodesh: Musaf; Blessing on the Moon; the Set Calendar, Dates, and Holidays
Orach Chaim 416:3-419:1 - Techumin: Eruvin on Yom Kippur, Yom Tov and Rosh Chodesh; Working, Fasting, and Eating a Meal
Orach Chaim 406:1-408:1 - Techumin: Permitted Cases to Leave the Techum; Placing Eruv Techumin and Acquiring Residence to Extend One’s Techum
Orach Chaim 401:1-404:1 - Techumin: Slept Through, Pond Across Two Techumin, Non-Jews Surrounded, Above 10 Tefachim
Orach Chaim 399:4-400:1 - Techumin: Measuring - Hills, Valleys, Experts, Diagonals, Witnesses, Unwitting Inclusion
Orach Chaim 397:12-398:5 - Techumin: One’s Possessions Outside the Techum; How to Calculate 2,000 Amos
Orach Chaim 394:1-396:2 - Eruvin: Doubts in the Bread; Locked or Lost Bread; The Blessing; Techumin; How to Calculate Four Amos
