Imagine asking your family what time you were born. Your mother remembers breakfast. An aunt remembers arriving around noon. The document you have gives the date, with the time left blank.
Those memories may describe different moments. Your aunt could be remembering her visit. Writing “12:00” in a calculator would turn one possible account into an exact input.
Keep the two memories as they were given. Start a note with the birth date, birthplace, and the source of each time estimate. If the person is unsure, include that too.
Look for the original record
A record made around the birth may contain a time. Check the documents your family already has, then ask the hospital or relevant records office what is available. Access and record retention vary.
If you find “about 8 AM,” keep the word “about.” A rounded hour and a time recorded to the minute carry different levels of precision. Photograph or copy the entry so you can refer to its actual wording.
When a family account and a document disagree, bring the disagreement to the practitioner. It is useful information to examine.
Understand what remains open
BaZi uses year, month, day, and hour pillars. The missing time affects the hour calculation, and uncertainty near a date change can affect the day used for the chart.
The BaZiScope version reviewed for this guide treats an unknown time cautiously. It leaves the day and hour pillars open, including the Day Master. It shows the year and month only when they remain stable across the possible birth interval. The blank fields preserve that uncertainty.
Tell a practitioner what you do know. Ask which parts of their discussion depend on the missing time and which conclusions they can reasonably discuss with the available information.
Keep later copies honest
An invented time can travel surprisingly far. It may end up in a screenshot, a saved profile, and a report, with its origin forgotten.
In our imagined family example, the useful record would read: date confirmed; birthplace confirmed; time unknown; mother recalls breakfast; aunt recalls a visit around noon. That gives the next person the facts and the uncertainty together.
If a reliable record turns up later, update the chart and ask which earlier conclusions need another look. Until then, leave the missing time visible.

