Based on the Chinese Gender Chart, in 2020 you will get a baby boy if your wife is conceived in the following periods:
Feb 23 - Mar 23 (40 lunar years old, 2nd lunar month) Apr 23 - May 22 (40 lunar years old, 4th lunar month) May 23 - Jun 06 (40 lunar years old, Leap 4th lunar month. First half of lunar leap 4th month will be counted as the 4th lunar month.) Jul 21 - Aug 18 (40 lunar years old, 6th lunar month) Aug 19 - Sep 16 (40 lunar years old, 7th lunar month) Oct 17 - Nov 14 (40 lunar years old, 9th lunar month) Dec 15 - Dec 31 (40 lunar years old, 11th lunar month)
Based on the Chinese Gender Chart, in 2020 you will get a baby boy if your wife is conceived in the following periods:
Feb 23 - Mar 23 (40 lunar years old, 2nd lunar month)
Apr 23 - May 22 (40 lunar years old, 4th lunar month)
May 23 - Jun 06 (40 lunar years old, Leap 4th lunar month. First half of lunar leap 4th month will be counted as the 4th lunar month.)
Jul 21 - Aug 18 (40 lunar years old, 6th lunar month)
Aug 19 - Sep 16 (40 lunar years old, 7th lunar month)
Oct 17 - Nov 14 (40 lunar years old, 9th lunar month)
Dec 15 - Dec 31 (40 lunar years old, 11th lunar month)