Sidera Lucky Day Planner overview showing timing systems, calendar scores, top days, and day log

Astrology Calendar: Compare 7 Timing Systems in Sidera

Quick answer: An astrology calendar maps dates to timing signals so you can compare realistic options for a specific action. Sidera’s calendar offers seven separate systems: Western, Jyotish, Chinese almanac, Rokuyo, Jewish, Islamic, and Mayan. Western uses tropical calculations; Jyotish uses Lahiri sidereal calculations. The other calendars add cultural, religious, or cycle-based context. Because these systems use different inputs, their labels should not be averaged into one universal “good day” score. None guarantees an outcome or replaces practical readiness. ...

June 27, 2026 · Updated September 8, 2026 · 15 min · Sidera
Sidera Lucky Day Planner Rokuyo monthly calendar grid with Singapore demo data

Rokuyo Calendar: Taian to Butsumetsu

You have two open dates. Both work on paper. The venue is available either way, the guests are free either way, and the budget is the same either way. But one of the dates keeps giving you pause, and you cannot point to a concrete reason. It is not a practical objection. It is something underneath practical. A sense that the date does not match what you are actually trying to do, or what you want the day to feel like. So you look for something external to either confirm the lean you already have, or give you permission to override the feeling and just pick the date that is easier to schedule. ...

June 27, 2026 · Updated September 8, 2026 · 17 min · Sidera