EmperorStar

Copyright

Who owns what on this site, and the open-source work it is built on.

Our content

The site design, interface and text, including our own Xiao Liu Ren readings, twelve-palace readings and compatibility rules and wording, are © 2026 EmperorStar · 紫微帝星. All rights reserved. Please don’t copy it wholesale or use it commercially without permission. Sharing your own results and share images is welcome.

Master Ni Haixia’s lectures

We do not host or reproduce Master Ni Haixia’s lecture videos or transcripts. We only link to specific moments in publicly available videos, and copyright remains with the original rights holders. If you are a rights holder and object to a link, contact us and we will deal with it promptly.

Classical texts

Classical texts such as Zi Wei Dou Shu Quan Shu are in the public domain. Some pattern descriptions come from the open-source ziwei-doushu project and may include short quotations.

Open-source software and data

This site is built on the open-source projects below. Thank you to their authors. Full licence texts are included with the source code (THIRD_PARTY_NOTICES.md).

  • ziwei-doushuZi Wei chart engine and pattern libraryLicence: MIT · © 2026 紫微研究
  • iztroUnderlying Zi Wei astrolabe libraryLicence: MIT · © 2023 All Contributors (iztro)
  • lunar-javascriptChinese lunar calendarLicence: MIT · © 2018 6tail
  • OpenCCSimplified-to-Traditional dictionaries (used to generate our conversion table)Licence: Apache-2.0 · © Carbo Kuo (BYVoid) and contributors
  • city-timezonesCity coordinates and time zonesLicence: MIT · © Kevin Roberts
  • Next.js / ReactWeb frameworkLicence: MIT · © Vercel, Inc. / © Meta Platforms, Inc.

Last updated: 2026-11-04