Add what matters → export an .ics file → import to your phone calendar → get reminded automatically. Incremental export: each file contains only new / edited events, so re-importing never duplicates. Each event carries one reminder (1 day before). Data stays in your browser.
Send the exported file to your phone and open it with your calendar app. Uses incremental export — only new/edited events are included, so re-importing never duplicates.
Send the .ics to your own email → open the attachment on your phone with Outlook / your calendar app.
Each event = one calendar entry with one reminder (1 day before).
Re-importing only adds new events — never duplicates.
Note: Lunar birthdays are expanded into the next 10 years of solar dates (one per year); re-export when they run out. After editing an imported event, re-export and import — then delete the old entry on your phone.