A sheep pregnancy lasts about 147 days, counted from the breeding date; most births fall between day 142 and day 152. Pick the breeding date below to see the due date, the usual window and the milestones on the way.
Bred on
Length (days)
147
Average: 147 days. Adjust it for your breed.
Due date
Mon, Jul 26, 2027
Usually Jul 21 – Jul 31, 2027
Milestones
💕
Bred
Day 0 · Mon, Mar 1, 2027
⏳
Halfway
Day 73 · Thu, May 13, 2027
🧺
About a week to go: get a clean, quiet birthing area ready
Day 140 · Mon, Jul 19, 2027
🎉
Due date (lambing)
Day 147 · Mon, Jul 26, 2027
How the date is worked out
Due date = breeding date + 147 days. Day 0 is the day of breeding, so a sheep bred on Mar 1, 2027 is due on Jul 26, 2027, and births usually fall between Jul 21, 2027 and Jul 31, 2027. If the sheep was bred on several days, count from the first breeding and expect the window to run to the last breeding + 152 days.
Good to know
Ewes average 147 to 148 days, with breed differences; most lamb between day 142 and day 152 (University of Maryland Extension).
2027 gestation table: breeding date and due date
Every breeding date of 2027 with its due date (147 days later), month by month. Print it for the barn or kennel wall.
January 2027
Bred
Due
Jan 1
May 28, 2027
Jan 2
May 29, 2027
Jan 3
May 30, 2027
Jan 4
May 31, 2027
Jan 5
Jun 1, 2027
Jan 6
Jun 2, 2027
Jan 7
Jun 3, 2027
Jan 8
Jun 4, 2027
Jan 9
Jun 5, 2027
Jan 10
Jun 6, 2027
Jan 11
Jun 7, 2027
Jan 12
Jun 8, 2027
Jan 13
Jun 9, 2027
Jan 14
Jun 10, 2027
Jan 15
Jun 11, 2027
Jan 16
Jun 12, 2027
Jan 17
Jun 13, 2027
Jan 18
Jun 14, 2027
Jan 19
Jun 15, 2027
Jan 20
Jun 16, 2027
Jan 21
Jun 17, 2027
Jan 22
Jun 18, 2027
Jan 23
Jun 19, 2027
Jan 24
Jun 20, 2027
Jan 25
Jun 21, 2027
Jan 26
Jun 22, 2027
Jan 27
Jun 23, 2027
Jan 28
Jun 24, 2027
Jan 29
Jun 25, 2027
Jan 30
Jun 26, 2027
Jan 31
Jun 27, 2027
February 2027
Bred
Due
Feb 1
Jun 28, 2027
Feb 2
Jun 29, 2027
Feb 3
Jun 30, 2027
Feb 4
Jul 1, 2027
Feb 5
Jul 2, 2027
Feb 6
Jul 3, 2027
Feb 7
Jul 4, 2027
Feb 8
Jul 5, 2027
Feb 9
Jul 6, 2027
Feb 10
Jul 7, 2027
Feb 11
Jul 8, 2027
Feb 12
Jul 9, 2027
Feb 13
Jul 10, 2027
Feb 14
Jul 11, 2027
Feb 15
Jul 12, 2027
Feb 16
Jul 13, 2027
Feb 17
Jul 14, 2027
Feb 18
Jul 15, 2027
Feb 19
Jul 16, 2027
Feb 20
Jul 17, 2027
Feb 21
Jul 18, 2027
Feb 22
Jul 19, 2027
Feb 23
Jul 20, 2027
Feb 24
Jul 21, 2027
Feb 25
Jul 22, 2027
Feb 26
Jul 23, 2027
Feb 27
Jul 24, 2027
Feb 28
Jul 25, 2027
March 2027
Bred
Due
Mar 1
Jul 26, 2027
Mar 2
Jul 27, 2027
Mar 3
Jul 28, 2027
Mar 4
Jul 29, 2027
Mar 5
Jul 30, 2027
Mar 6
Jul 31, 2027
Mar 7
Aug 1, 2027
Mar 8
Aug 2, 2027
Mar 9
Aug 3, 2027
Mar 10
Aug 4, 2027
Mar 11
Aug 5, 2027
Mar 12
Aug 6, 2027
Mar 13
Aug 7, 2027
Mar 14
Aug 8, 2027
Mar 15
Aug 9, 2027
Mar 16
Aug 10, 2027
Mar 17
Aug 11, 2027
Mar 18
Aug 12, 2027
Mar 19
Aug 13, 2027
Mar 20
Aug 14, 2027
Mar 21
Aug 15, 2027
Mar 22
Aug 16, 2027
Mar 23
Aug 17, 2027
Mar 24
Aug 18, 2027
Mar 25
Aug 19, 2027
Mar 26
Aug 20, 2027
Mar 27
Aug 21, 2027
Mar 28
Aug 22, 2027
Mar 29
Aug 23, 2027
Mar 30
Aug 24, 2027
Mar 31
Aug 25, 2027
April 2027
Bred
Due
Apr 1
Aug 26, 2027
Apr 2
Aug 27, 2027
Apr 3
Aug 28, 2027
Apr 4
Aug 29, 2027
Apr 5
Aug 30, 2027
Apr 6
Aug 31, 2027
Apr 7
Sep 1, 2027
Apr 8
Sep 2, 2027
Apr 9
Sep 3, 2027
Apr 10
Sep 4, 2027
Apr 11
Sep 5, 2027
Apr 12
Sep 6, 2027
Apr 13
Sep 7, 2027
Apr 14
Sep 8, 2027
Apr 15
Sep 9, 2027
Apr 16
Sep 10, 2027
Apr 17
Sep 11, 2027
Apr 18
Sep 12, 2027
Apr 19
Sep 13, 2027
Apr 20
Sep 14, 2027
Apr 21
Sep 15, 2027
Apr 22
Sep 16, 2027
Apr 23
Sep 17, 2027
Apr 24
Sep 18, 2027
Apr 25
Sep 19, 2027
Apr 26
Sep 20, 2027
Apr 27
Sep 21, 2027
Apr 28
Sep 22, 2027
Apr 29
Sep 23, 2027
Apr 30
Sep 24, 2027
May 2027
Bred
Due
May 1
Sep 25, 2027
May 2
Sep 26, 2027
May 3
Sep 27, 2027
May 4
Sep 28, 2027
May 5
Sep 29, 2027
May 6
Sep 30, 2027
May 7
Oct 1, 2027
May 8
Oct 2, 2027
May 9
Oct 3, 2027
May 10
Oct 4, 2027
May 11
Oct 5, 2027
May 12
Oct 6, 2027
May 13
Oct 7, 2027
May 14
Oct 8, 2027
May 15
Oct 9, 2027
May 16
Oct 10, 2027
May 17
Oct 11, 2027
May 18
Oct 12, 2027
May 19
Oct 13, 2027
May 20
Oct 14, 2027
May 21
Oct 15, 2027
May 22
Oct 16, 2027
May 23
Oct 17, 2027
May 24
Oct 18, 2027
May 25
Oct 19, 2027
May 26
Oct 20, 2027
May 27
Oct 21, 2027
May 28
Oct 22, 2027
May 29
Oct 23, 2027
May 30
Oct 24, 2027
May 31
Oct 25, 2027
June 2027
Bred
Due
Jun 1
Oct 26, 2027
Jun 2
Oct 27, 2027
Jun 3
Oct 28, 2027
Jun 4
Oct 29, 2027
Jun 5
Oct 30, 2027
Jun 6
Oct 31, 2027
Jun 7
Nov 1, 2027
Jun 8
Nov 2, 2027
Jun 9
Nov 3, 2027
Jun 10
Nov 4, 2027
Jun 11
Nov 5, 2027
Jun 12
Nov 6, 2027
Jun 13
Nov 7, 2027
Jun 14
Nov 8, 2027
Jun 15
Nov 9, 2027
Jun 16
Nov 10, 2027
Jun 17
Nov 11, 2027
Jun 18
Nov 12, 2027
Jun 19
Nov 13, 2027
Jun 20
Nov 14, 2027
Jun 21
Nov 15, 2027
Jun 22
Nov 16, 2027
Jun 23
Nov 17, 2027
Jun 24
Nov 18, 2027
Jun 25
Nov 19, 2027
Jun 26
Nov 20, 2027
Jun 27
Nov 21, 2027
Jun 28
Nov 22, 2027
Jun 29
Nov 23, 2027
Jun 30
Nov 24, 2027
July 2027
Bred
Due
Jul 1
Nov 25, 2027
Jul 2
Nov 26, 2027
Jul 3
Nov 27, 2027
Jul 4
Nov 28, 2027
Jul 5
Nov 29, 2027
Jul 6
Nov 30, 2027
Jul 7
Dec 1, 2027
Jul 8
Dec 2, 2027
Jul 9
Dec 3, 2027
Jul 10
Dec 4, 2027
Jul 11
Dec 5, 2027
Jul 12
Dec 6, 2027
Jul 13
Dec 7, 2027
Jul 14
Dec 8, 2027
Jul 15
Dec 9, 2027
Jul 16
Dec 10, 2027
Jul 17
Dec 11, 2027
Jul 18
Dec 12, 2027
Jul 19
Dec 13, 2027
Jul 20
Dec 14, 2027
Jul 21
Dec 15, 2027
Jul 22
Dec 16, 2027
Jul 23
Dec 17, 2027
Jul 24
Dec 18, 2027
Jul 25
Dec 19, 2027
Jul 26
Dec 20, 2027
Jul 27
Dec 21, 2027
Jul 28
Dec 22, 2027
Jul 29
Dec 23, 2027
Jul 30
Dec 24, 2027
Jul 31
Dec 25, 2027
August 2027
Bred
Due
Aug 1
Dec 26, 2027
Aug 2
Dec 27, 2027
Aug 3
Dec 28, 2027
Aug 4
Dec 29, 2027
Aug 5
Dec 30, 2027
Aug 6
Dec 31, 2027
Aug 7
Jan 1, 2028
Aug 8
Jan 2, 2028
Aug 9
Jan 3, 2028
Aug 10
Jan 4, 2028
Aug 11
Jan 5, 2028
Aug 12
Jan 6, 2028
Aug 13
Jan 7, 2028
Aug 14
Jan 8, 2028
Aug 15
Jan 9, 2028
Aug 16
Jan 10, 2028
Aug 17
Jan 11, 2028
Aug 18
Jan 12, 2028
Aug 19
Jan 13, 2028
Aug 20
Jan 14, 2028
Aug 21
Jan 15, 2028
Aug 22
Jan 16, 2028
Aug 23
Jan 17, 2028
Aug 24
Jan 18, 2028
Aug 25
Jan 19, 2028
Aug 26
Jan 20, 2028
Aug 27
Jan 21, 2028
Aug 28
Jan 22, 2028
Aug 29
Jan 23, 2028
Aug 30
Jan 24, 2028
Aug 31
Jan 25, 2028
September 2027
Bred
Due
Sep 1
Jan 26, 2028
Sep 2
Jan 27, 2028
Sep 3
Jan 28, 2028
Sep 4
Jan 29, 2028
Sep 5
Jan 30, 2028
Sep 6
Jan 31, 2028
Sep 7
Feb 1, 2028
Sep 8
Feb 2, 2028
Sep 9
Feb 3, 2028
Sep 10
Feb 4, 2028
Sep 11
Feb 5, 2028
Sep 12
Feb 6, 2028
Sep 13
Feb 7, 2028
Sep 14
Feb 8, 2028
Sep 15
Feb 9, 2028
Sep 16
Feb 10, 2028
Sep 17
Feb 11, 2028
Sep 18
Feb 12, 2028
Sep 19
Feb 13, 2028
Sep 20
Feb 14, 2028
Sep 21
Feb 15, 2028
Sep 22
Feb 16, 2028
Sep 23
Feb 17, 2028
Sep 24
Feb 18, 2028
Sep 25
Feb 19, 2028
Sep 26
Feb 20, 2028
Sep 27
Feb 21, 2028
Sep 28
Feb 22, 2028
Sep 29
Feb 23, 2028
Sep 30
Feb 24, 2028
October 2027
Bred
Due
Oct 1
Feb 25, 2028
Oct 2
Feb 26, 2028
Oct 3
Feb 27, 2028
Oct 4
Feb 28, 2028
Oct 5
Feb 29, 2028
Oct 6
Mar 1, 2028
Oct 7
Mar 2, 2028
Oct 8
Mar 3, 2028
Oct 9
Mar 4, 2028
Oct 10
Mar 5, 2028
Oct 11
Mar 6, 2028
Oct 12
Mar 7, 2028
Oct 13
Mar 8, 2028
Oct 14
Mar 9, 2028
Oct 15
Mar 10, 2028
Oct 16
Mar 11, 2028
Oct 17
Mar 12, 2028
Oct 18
Mar 13, 2028
Oct 19
Mar 14, 2028
Oct 20
Mar 15, 2028
Oct 21
Mar 16, 2028
Oct 22
Mar 17, 2028
Oct 23
Mar 18, 2028
Oct 24
Mar 19, 2028
Oct 25
Mar 20, 2028
Oct 26
Mar 21, 2028
Oct 27
Mar 22, 2028
Oct 28
Mar 23, 2028
Oct 29
Mar 24, 2028
Oct 30
Mar 25, 2028
Oct 31
Mar 26, 2028
November 2027
Bred
Due
Nov 1
Mar 27, 2028
Nov 2
Mar 28, 2028
Nov 3
Mar 29, 2028
Nov 4
Mar 30, 2028
Nov 5
Mar 31, 2028
Nov 6
Apr 1, 2028
Nov 7
Apr 2, 2028
Nov 8
Apr 3, 2028
Nov 9
Apr 4, 2028
Nov 10
Apr 5, 2028
Nov 11
Apr 6, 2028
Nov 12
Apr 7, 2028
Nov 13
Apr 8, 2028
Nov 14
Apr 9, 2028
Nov 15
Apr 10, 2028
Nov 16
Apr 11, 2028
Nov 17
Apr 12, 2028
Nov 18
Apr 13, 2028
Nov 19
Apr 14, 2028
Nov 20
Apr 15, 2028
Nov 21
Apr 16, 2028
Nov 22
Apr 17, 2028
Nov 23
Apr 18, 2028
Nov 24
Apr 19, 2028
Nov 25
Apr 20, 2028
Nov 26
Apr 21, 2028
Nov 27
Apr 22, 2028
Nov 28
Apr 23, 2028
Nov 29
Apr 24, 2028
Nov 30
Apr 25, 2028
December 2027
Bred
Due
Dec 1
Apr 26, 2028
Dec 2
Apr 27, 2028
Dec 3
Apr 28, 2028
Dec 4
Apr 29, 2028
Dec 5
Apr 30, 2028
Dec 6
May 1, 2028
Dec 7
May 2, 2028
Dec 8
May 3, 2028
Dec 9
May 4, 2028
Dec 10
May 5, 2028
Dec 11
May 6, 2028
Dec 12
May 7, 2028
Dec 13
May 8, 2028
Dec 14
May 9, 2028
Dec 15
May 10, 2028
Dec 16
May 11, 2028
Dec 17
May 12, 2028
Dec 18
May 13, 2028
Dec 19
May 14, 2028
Dec 20
May 15, 2028
Dec 21
May 16, 2028
Dec 22
May 17, 2028
Dec 23
May 18, 2028
Dec 24
May 19, 2028
Dec 25
May 20, 2028
Dec 26
May 21, 2028
Dec 27
May 22, 2028
Dec 28
May 23, 2028
Dec 29
May 24, 2028
Dec 30
May 25, 2028
Dec 31
May 26, 2028
Frequently asked questions
How long is a sheep pregnant?
About 147 days on average, counted from the breeding date; most births fall between day 142 and day 152.
How do I calculate a sheep due date?
Add 147 days to the breeding date. Example: bred on Mar 1, 2027, due on Jul 26, 2027. The calculator above does it for any date and lists the milestones.
What if the sheep goes past the due date?
Most births fall by day 152 after breeding. If that day passes, or anything about the mother worries you, call your veterinarian.
Can I use a different length for my breed?
Yes. Change the length (in days) in the calculator; the date, the window and the milestones move with it. The Android app keeps the length for each animal or batch you save.
Where the numbers come from
Sources: University of Maryland Extension: Sheep 201, the ewe’s reproductive cycle. Breeds and individual animals differ; change the length in the calculator if yours usually runs early or late. These dates are estimates, not veterinary advice: ask your veterinarian about your animal.