Birthday Binary Search

Month?

• Were you born before July?
  • Yes. Were you born before April?
    • Yes. Were you born before February?
      • Yes. You were born in January.
      • No. Were you born before March?
        • Yes. You were born in February.
        • No. You were born in March.
    • No. Were you born before May?
      • Yes. You were born in April.
      • No. Were you born before June?
        • Yes. You were born in May.
        • No. You were born in June.
  • No. Were you born before October?
    • Yes. Were you born before August?
      • Yes. You were born in July.
      • No. Were you born before September?
        • Yes. You were born in August.
        • No. You were born in September.
    • No. Were you born before November?
      • Yes. You were born in October.
      • No. Were you born before December?
        • Yes. You were born in November.
        • No. You were born in December.

Day?

• Were you born before the 16th?
  • Yes. Were you born before the 8th?
    • Yes. Were you born before the 4th?
      • Yes. Were you born before the 2nd?
        • Yes. You were born on the 1st
        • No. Were you born before the 3rd?
          • Yes. You were born on the 2nd.
          • No. You were born on the 3rd.
      • No. Were you born before the 6th?
        • Yes. Were you born before the 5th?
          • Yes. You were born on the 4th.
          • No. You were born on the 5th.
        • No. Were you born before the 7th?
          • Yes. You were born on the 6th.
          • No. Were you born on the 7th.
    • No. Were you born before the 12th?
      • Yes. Were you born before the 10th?
        • Yes. Were you born before the 9th?
          • Yes. You were born on the 8th.
          • No. You were born on the 9th.
        • No. Were you born before the 11th?
          • Yes. You were born on the 10th.
          • No. You were born on the 11th.
      • No. Were you born before the 14th?
        • Yes. Were you born before the 13th?
          • Yes. You were born on the 12th.
          • No. You were born on the 13th.
        • No. Were you born before the 15th?
          • Yes. You were born on the 14th.
          • No. You were born on the 15th.
  • No. Were you born before the 24th?
    • Yes. Were you born before the 20th?
      • Yes. Were you born before the 18th?
        • Yes. Were you born before the 17th?
          • Yes. You were born on the 16th.
          • No. You were born on the 17th.
        • No. Were you born before the 19th?
          • Yes. You were born on the 18th.
          • No. You were born on the 19th.
      • No. Were you born before the 22nd?
        • Yes. Were you born before the 21st?
          • Yes. You were born on the 20th.
          • No. You were born on the 21st.
        • No. Were you born before the 23rd?
          • Yes. You were born on the 22nd.
          • No. You were born on the 23rd.
    • No. Were you born before the 28th?
      • Yes. Were you born before the 26th?
        • Yes. Were you born before the 25th?
          • Yes. You were born on the 24th.
          • No. You were born on the 25th.
        • No. Were you born before the 27th?
          • Yes. You were born on the 26th.
          • No. You were born on the 27th.
      • No. Were you born before the 30th?
        • Yes. Were you born before the 29th?
          • Yes. You were born on the 28th.
          • No. You were born on the 29th.
        • No. Were you born before the 31st?
          • Yes. You were born on the 30th.
          • No. You were born on the 31st.