The whole year: the day she was bred, and the day she is due.
Goats carry about 150 days — just under 5 months. Find the day she was bred in the chart and read her due date beside it. Most goats have their kids from 5 days before to 5 days after that date (day 145 to day 155).
Counted 150 days from the breeding day, the way online calculators count. Some printed tables count the breeding day as day 1 and show one day earlier — both are inside her window.
In a year when February 29 falls between the breeding and the birth, her due date is one day earlier than the chart shows.
A common guide — your vet’s plan wins.
Bred on → due on
Bred in January
Bred
Due
Jan 1
May 31
Jan 2
Jun 1
Jan 3
Jun 2
Jan 4
Jun 3
Jan 5
Jun 4
Jan 6
Jun 5
Jan 7
Jun 6
Jan 8
Jun 7
Jan 9
Jun 8
Jan 10
Jun 9
Jan 11
Jun 10
Jan 12
Jun 11
Jan 13
Jun 12
Jan 14
Jun 13
Jan 15
Jun 14
Jan 16
Jun 15
Jan 17
Jun 16
Jan 18
Jun 17
Jan 19
Jun 18
Jan 20
Jun 19
Jan 21
Jun 20
Jan 22
Jun 21
Jan 23
Jun 22
Jan 24
Jun 23
Jan 25
Jun 24
Jan 26
Jun 25
Jan 27
Jun 26
Jan 28
Jun 27
Jan 29
Jun 28
Jan 30
Jun 29
Jan 31
Jun 30
Bred in February
Bred
Due
Feb 1
Jul 1
Feb 2
Jul 2
Feb 3
Jul 3
Feb 4
Jul 4
Feb 5
Jul 5
Feb 6
Jul 6
Feb 7
Jul 7
Feb 8
Jul 8
Feb 9
Jul 9
Feb 10
Jul 10
Feb 11
Jul 11
Feb 12
Jul 12
Feb 13
Jul 13
Feb 14
Jul 14
Feb 15
Jul 15
Feb 16
Jul 16
Feb 17
Jul 17
Feb 18
Jul 18
Feb 19
Jul 19
Feb 20
Jul 20
Feb 21
Jul 21
Feb 22
Jul 22
Feb 23
Jul 23
Feb 24
Jul 24
Feb 25
Jul 25
Feb 26
Jul 26
Feb 27
Jul 27
Feb 28
Jul 28
Bred in March
Bred
Due
Mar 1
Jul 29
Mar 2
Jul 30
Mar 3
Jul 31
Mar 4
Aug 1
Mar 5
Aug 2
Mar 6
Aug 3
Mar 7
Aug 4
Mar 8
Aug 5
Mar 9
Aug 6
Mar 10
Aug 7
Mar 11
Aug 8
Mar 12
Aug 9
Mar 13
Aug 10
Mar 14
Aug 11
Mar 15
Aug 12
Mar 16
Aug 13
Mar 17
Aug 14
Mar 18
Aug 15
Mar 19
Aug 16
Mar 20
Aug 17
Mar 21
Aug 18
Mar 22
Aug 19
Mar 23
Aug 20
Mar 24
Aug 21
Mar 25
Aug 22
Mar 26
Aug 23
Mar 27
Aug 24
Mar 28
Aug 25
Mar 29
Aug 26
Mar 30
Aug 27
Mar 31
Aug 28
Bred in April
Bred
Due
Apr 1
Aug 29
Apr 2
Aug 30
Apr 3
Aug 31
Apr 4
Sep 1
Apr 5
Sep 2
Apr 6
Sep 3
Apr 7
Sep 4
Apr 8
Sep 5
Apr 9
Sep 6
Apr 10
Sep 7
Apr 11
Sep 8
Apr 12
Sep 9
Apr 13
Sep 10
Apr 14
Sep 11
Apr 15
Sep 12
Apr 16
Sep 13
Apr 17
Sep 14
Apr 18
Sep 15
Apr 19
Sep 16
Apr 20
Sep 17
Apr 21
Sep 18
Apr 22
Sep 19
Apr 23
Sep 20
Apr 24
Sep 21
Apr 25
Sep 22
Apr 26
Sep 23
Apr 27
Sep 24
Apr 28
Sep 25
Apr 29
Sep 26
Apr 30
Sep 27
Bred in May
Bred
Due
May 1
Sep 28
May 2
Sep 29
May 3
Sep 30
May 4
Oct 1
May 5
Oct 2
May 6
Oct 3
May 7
Oct 4
May 8
Oct 5
May 9
Oct 6
May 10
Oct 7
May 11
Oct 8
May 12
Oct 9
May 13
Oct 10
May 14
Oct 11
May 15
Oct 12
May 16
Oct 13
May 17
Oct 14
May 18
Oct 15
May 19
Oct 16
May 20
Oct 17
May 21
Oct 18
May 22
Oct 19
May 23
Oct 20
May 24
Oct 21
May 25
Oct 22
May 26
Oct 23
May 27
Oct 24
May 28
Oct 25
May 29
Oct 26
May 30
Oct 27
May 31
Oct 28
Bred in June
Bred
Due
Jun 1
Oct 29
Jun 2
Oct 30
Jun 3
Oct 31
Jun 4
Nov 1
Jun 5
Nov 2
Jun 6
Nov 3
Jun 7
Nov 4
Jun 8
Nov 5
Jun 9
Nov 6
Jun 10
Nov 7
Jun 11
Nov 8
Jun 12
Nov 9
Jun 13
Nov 10
Jun 14
Nov 11
Jun 15
Nov 12
Jun 16
Nov 13
Jun 17
Nov 14
Jun 18
Nov 15
Jun 19
Nov 16
Jun 20
Nov 17
Jun 21
Nov 18
Jun 22
Nov 19
Jun 23
Nov 20
Jun 24
Nov 21
Jun 25
Nov 22
Jun 26
Nov 23
Jun 27
Nov 24
Jun 28
Nov 25
Jun 29
Nov 26
Jun 30
Nov 27
Bred in July
Bred
Due
Jul 1
Nov 28
Jul 2
Nov 29
Jul 3
Nov 30
Jul 4
Dec 1
Jul 5
Dec 2
Jul 6
Dec 3
Jul 7
Dec 4
Jul 8
Dec 5
Jul 9
Dec 6
Jul 10
Dec 7
Jul 11
Dec 8
Jul 12
Dec 9
Jul 13
Dec 10
Jul 14
Dec 11
Jul 15
Dec 12
Jul 16
Dec 13
Jul 17
Dec 14
Jul 18
Dec 15
Jul 19
Dec 16
Jul 20
Dec 17
Jul 21
Dec 18
Jul 22
Dec 19
Jul 23
Dec 20
Jul 24
Dec 21
Jul 25
Dec 22
Jul 26
Dec 23
Jul 27
Dec 24
Jul 28
Dec 25
Jul 29
Dec 26
Jul 30
Dec 27
Jul 31
Dec 28
Bred in August
Bred
Due
Aug 1
Dec 29
Aug 2
Dec 30
Aug 3
Dec 31
Aug 4
Jan 1
Aug 5
Jan 2
Aug 6
Jan 3
Aug 7
Jan 4
Aug 8
Jan 5
Aug 9
Jan 6
Aug 10
Jan 7
Aug 11
Jan 8
Aug 12
Jan 9
Aug 13
Jan 10
Aug 14
Jan 11
Aug 15
Jan 12
Aug 16
Jan 13
Aug 17
Jan 14
Aug 18
Jan 15
Aug 19
Jan 16
Aug 20
Jan 17
Aug 21
Jan 18
Aug 22
Jan 19
Aug 23
Jan 20
Aug 24
Jan 21
Aug 25
Jan 22
Aug 26
Jan 23
Aug 27
Jan 24
Aug 28
Jan 25
Aug 29
Jan 26
Aug 30
Jan 27
Aug 31
Jan 28
Bred in September
Bred
Due
Sep 1
Jan 29
Sep 2
Jan 30
Sep 3
Jan 31
Sep 4
Feb 1
Sep 5
Feb 2
Sep 6
Feb 3
Sep 7
Feb 4
Sep 8
Feb 5
Sep 9
Feb 6
Sep 10
Feb 7
Sep 11
Feb 8
Sep 12
Feb 9
Sep 13
Feb 10
Sep 14
Feb 11
Sep 15
Feb 12
Sep 16
Feb 13
Sep 17
Feb 14
Sep 18
Feb 15
Sep 19
Feb 16
Sep 20
Feb 17
Sep 21
Feb 18
Sep 22
Feb 19
Sep 23
Feb 20
Sep 24
Feb 21
Sep 25
Feb 22
Sep 26
Feb 23
Sep 27
Feb 24
Sep 28
Feb 25
Sep 29
Feb 26
Sep 30
Feb 27
Bred in October
Bred
Due
Oct 1
Feb 28
Oct 2
Mar 1
Oct 3
Mar 2
Oct 4
Mar 3
Oct 5
Mar 4
Oct 6
Mar 5
Oct 7
Mar 6
Oct 8
Mar 7
Oct 9
Mar 8
Oct 10
Mar 9
Oct 11
Mar 10
Oct 12
Mar 11
Oct 13
Mar 12
Oct 14
Mar 13
Oct 15
Mar 14
Oct 16
Mar 15
Oct 17
Mar 16
Oct 18
Mar 17
Oct 19
Mar 18
Oct 20
Mar 19
Oct 21
Mar 20
Oct 22
Mar 21
Oct 23
Mar 22
Oct 24
Mar 23
Oct 25
Mar 24
Oct 26
Mar 25
Oct 27
Mar 26
Oct 28
Mar 27
Oct 29
Mar 28
Oct 30
Mar 29
Oct 31
Mar 30
Bred in November
Bred
Due
Nov 1
Mar 31
Nov 2
Apr 1
Nov 3
Apr 2
Nov 4
Apr 3
Nov 5
Apr 4
Nov 6
Apr 5
Nov 7
Apr 6
Nov 8
Apr 7
Nov 9
Apr 8
Nov 10
Apr 9
Nov 11
Apr 10
Nov 12
Apr 11
Nov 13
Apr 12
Nov 14
Apr 13
Nov 15
Apr 14
Nov 16
Apr 15
Nov 17
Apr 16
Nov 18
Apr 17
Nov 19
Apr 18
Nov 20
Apr 19
Nov 21
Apr 20
Nov 22
Apr 21
Nov 23
Apr 22
Nov 24
Apr 23
Nov 25
Apr 24
Nov 26
Apr 25
Nov 27
Apr 26
Nov 28
Apr 27
Nov 29
Apr 28
Nov 30
Apr 29
Bred in December
Bred
Due
Dec 1
Apr 30
Dec 2
May 1
Dec 3
May 2
Dec 4
May 3
Dec 5
May 4
Dec 6
May 5
Dec 7
May 6
Dec 8
May 7
Dec 9
May 8
Dec 10
May 9
Dec 11
May 10
Dec 12
May 11
Dec 13
May 12
Dec 14
May 13
Dec 15
May 14
Dec 16
May 15
Dec 17
May 16
Dec 18
May 17
Dec 19
May 18
Dec 20
May 19
Dec 21
May 20
Dec 22
May 21
Dec 23
May 22
Dec 24
May 23
Dec 25
May 24
Dec 26
May 25
Dec 27
May 26
Dec 28
May 27
Dec 29
May 28
Dec 30
May 29
Dec 31
May 30
Questions
How do I read a goat gestation chart?
Find the month and the day she was bred; the date beside it is her due date. A doe bred on January 1 is due about May 31.
Why is there a window around the due date?
No two goats are the same. Most give birth from 5 days before to 5 days after the date in the chart, so start watching her at the beginning of that window.
Why does another chart say one day earlier?
Counted 150 days from the breeding day, the way online calculators count. Some printed tables count the breeding day as day 1 and show one day earlier — both are inside her window.
What if she was with the buck for weeks?
Read the chart for the first and the last day they were together: she is due between those two dates, give or take her window. The calculator does this for you.