According to the Ancient Chinese Gender Chart, if you are conceived in one of the following time periods in 2021, you will get a baby boy:
Jan 13 - Feb 11 (33 lunar years old, the 12th lunar month) Feb 12 - Mar 12 (34 lunar years old, the 1st lunar month) Apr 12 - May 11 (34 lunar years old, the 3rd lunar month) Dec 04 - Dec 31 (34 lunar years old, the 11th lunar month)
Jan 13 - Feb 11 (33 lunar years old, the 12th lunar month)
Feb 12 - Mar 12 (34 lunar years old, the 1st lunar month)
Apr 12 - May 11 (34 lunar years old, the 3rd lunar month)
Dec 04 - Dec 31 (34 lunar years old, the 11th lunar month)