Start with the original wording
A relative saying “the eighth day of the sixth month” may be recalling a birth record or a family celebration habit. Record the year, wording and source before converting it. If the leap-month status is unknown, leave it unknown. This guide concerns calendar records, not a reading of personality or fortune. Formal identity records should be handled according to the relevant institution.
A leap month is different from a leap day
The Hong Kong Observatory explains that the Chinese calendar takes account of both lunar motion and the Sun. A lunar leap month and an extra day in the Gregorian calendar are different adjustments. In practice, check whether the original year contains a leap month and whether the record explicitly identifies it. A note saying “leap sixth month” must not silently become “sixth month”. This example does not describe a particular year.
Check both directions in the same table
Open the Observatory conversion table for the original year. Find the lunar label from the Gregorian date, then read back the Gregorian date from that label. Save the year, leap-month status and source link together. If oral accounts disagree, compare the year, calendar and transcription first. Keep unresolved versions side by side rather than taking a vote among websites.
Agree on a celebration separately
A verified birth date does not choose how a family should celebrate it. People may prefer the Gregorian date, lunar date or a convenient weekend. A calendar source does not settle family customs. Keep separate fields for the original record, the usual celebration practice and this year’s agreed gathering. Share only the information the invitation needs.
Test the reminder
Create one reminder and check its displayed Gregorian date before relying on a repeating lunar-calendar setting. Recheck a sample after changing phones or importing calendars. A useful note contains the original year and date, confirmed or unknown leap-month status, the conversion source and the agreed celebration. It leaves a clear trail that can be corrected later.