Day Master Calculator
Enter your details. We’ll compute and reveal your Day Master & Day Pillar below.
Enter Your Birth Details
Why Day Master Matters
What is a Day Master? （日主）
The Day Master is the Heavenly Stem of your Day Pillar — your core temperament and decision pattern.
What should I read after I find it?
Open your Day Master series for the overview, then your exact Day Pillar article for precise nuance.
Does time matter?
Date is primary for Day Master. If you were born ≥ 23:00, we automatically compute using the next day.
