New Moon Visibility Forecast for 2026
Based on visibility in Jerusalem, Israel.
| Anticipated Evening of Sighting | Biblical Month Name | Sighting Likelihood | Reasoning/Weather Factor | Festivals/Notes |
|---|---|---|---|---|
| 2026-01-20 | Shevat | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Winter months with high cloud probability. | |
| 2026-02-18 | Adar | Medium | The sighting is on the 29th evening. Approximate moon age 24 hours, altitude 5 degrees, elongation 12 degrees. Winter months with high cloud probability. | |
| 2026-03-20 | Nisan | Medium | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Spring months with frequent dust storms. | Passover on 14 Nisan evening (estimated 2026-04-02), Feast of Unleavened Bread 15–21 Nisan (2026-04-03 to 2026-04-09), First Fruits sheaf waving on the morrow after the weekly Sabbath that falls during Passover week (Sunday, estimated 2026-04-04) per Leviticus 23:5-14, Karaite reckoning. |
| 2026-04-19 | Iyar | Medium | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Spring months with frequent dust storms. | |
| 2026-05-18 | Sivan | Medium | The sighting is on the 29th evening. Approximate moon age 24 hours, altitude 5 degrees, elongation 12 degrees. Spring months with frequent dust storms. | Shavuot/Pentecost always on a Sunday (the 50th day counted from the morrow after the weekly Sabbath that falls during Passover week, estimated 2026-05-24) per Leviticus 23:15-21, Karaite reckoning. |
| 2026-06-17 | Tammuz | High | The sighting is on the 29th evening. Approximate moon age 24 hours, altitude 5 degrees, elongation 12 degrees. Summer months with clear skies. | |
| 2026-07-17 | Av | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Summer months with clear skies. | |
| 2026-08-16 | Elul | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Summer months with clear skies. | |
| 2026-09-14 | Tishrei | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Clear skies. | Yom Teruah on 1 Tishrei (estimated 2026-09-14), Yom Kippur on 10 Tishrei (2026-09-23), Sukkot 15–21 Tishrei (2026-09-28 to 2026-10-04), Shemini Atzeret on 22 Tishrei (2026-10-05) per Leviticus 23:23-44, Karaite tradition. |
| 2026-10-14 | Cheshvan | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Clear skies. | |
| 2026-11-13 | Kislev | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Clear skies. | |
| 2026-12-12 | Tevet | High | The sighting is on the 30th evening. 30-day rule because age <17 hours on the 29th evening. Winter months with high cloud probability. |