# Sidera

> Sidera is a personalized astrology planner that compares a birth chart with current planetary transits to help people choose better days for important decisions.

## Product

- [Sidera astrology planner](https://sideraai.com/): Product overview, cosmic calendar, birth chart insights, compatibility, and AI astrologer.
- [Open the Sidera app](https://app.sideraai.com/welcome?mode=signup): Create a free chart and see personalized daily timing.
- [Daily horoscopes](https://sideraai.com/horoscope/): Current forecasts for all 12 zodiac signs.

## Astrology guides

- [Sidera astrology blog](https://sideraai.com/blog/): Practical guides to birth charts, planetary placements, transits, relationships, and electional timing.
- [Best days to start a business in 2026](https://sideraai.com/blog/posts/best-day-to-start-business-2026/): Month-by-month business launch windows and dates to avoid.
- [Mercury retrograde 2026 guide](https://sideraai.com/blog/posts/mercury-retrograde-2026-dates-survival-guide/): Dates, zodiac themes, and practical planning advice.
- [How to read a birth chart](https://sideraai.com/blog/posts/how-to-read-birth-chart-for-beginners/): Beginner guide to planets, signs, houses, and aspects.
- [What is electional astrology?](https://sideraai.com/blog/posts/what-is-electional-astrology/): How astrologers choose timing for important actions.

## Policies

- [Privacy policy](https://app.sideraai.com/privacy.html)
- [Terms of service](https://app.sideraai.com/terms.html)

Content is written for informational and reflective use. Astrology is not a substitute for professional medical, legal, or financial advice.