According to Chinese baby gender calendar, in 2016 you are 28 lunar years old and you will get a baby boy if you are conceived in the following periods:
Apr 7 - May 06 (the 3rd lunar month) Aug 3 - Aug 31 (the 7th lunar month) Sep 1 - Sep 30 (the 8th lunar month) Oct 1 - Oct 30 (the 9th lunar month) Oct 31 - Nov 28 (the 10th lunar month)
The conception date is the first day of last period in Chinese baby gender calendar. So, your first day of last period should be in the above suggested time for baby boy.
According to Chinese baby gender calendar, in 2016 you are 28 lunar years old and you will get a baby boy if you are conceived in the following periods:
Apr 7 - May 06 (the 3rd lunar month)
Aug 3 - Aug 31 (the 7th lunar month)
Sep 1 - Sep 30 (the 8th lunar month)
Oct 1 - Oct 30 (the 9th lunar month)
Oct 31 - Nov 28 (the 10th lunar month)
The conception date is the first day of last period in Chinese baby gender calendar. So, your first day of last period should be in the above suggested time for baby boy.