diff --git a/Visual Studio Projects/git-hooks/post-checkout b/Visual Studio Projects/git-hooks/post-checkout
index c9236188..6b0fdb62 100755
--- a/Visual Studio Projects/git-hooks/post-checkout	
+++ b/Visual Studio Projects/git-hooks/post-checkout	
@@ -2,5 +2,6 @@
 #
 # A hook script that is called after a successful
 # checkout to record the commit-id in the working directory.
-git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME %aI" >.git-commit-id
+isodate=$(git log -1 --pretty="%ai"|sed -e 's/ /T/'|sed -e 's/ //')
+git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME $isodate" >.git-commit-id
 
diff --git a/Visual Studio Projects/git-hooks/post-commit b/Visual Studio Projects/git-hooks/post-commit
index 7f88dce1..b3ee1268 100755
--- a/Visual Studio Projects/git-hooks/post-commit	
+++ b/Visual Studio Projects/git-hooks/post-commit	
@@ -2,4 +2,5 @@
 #
 # A hook script that is called after a successful
 # commit is made to record the commit-id in the working directory.
-git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME %aI" >.git-commit-id
+isodate=$(git log -1 --pretty="%ai"|sed -e 's/ /T/'|sed -e 's/ //')
+git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME $isodate" >.git-commit-id
diff --git a/Visual Studio Projects/git-hooks/post-merge b/Visual Studio Projects/git-hooks/post-merge
index f8406fc7..3a383810 100755
--- a/Visual Studio Projects/git-hooks/post-merge	
+++ b/Visual Studio Projects/git-hooks/post-merge	
@@ -2,5 +2,6 @@
 #
 # A hook script that is called after a successful merge
 # to record the commit-id in the working directory.
-git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME %aI" >.git-commit-id
+isodate=$(git log -1 --pretty="%ai"|sed -e 's/ /T/'|sed -e 's/ //')
+git log -1 --pretty="SIM_GIT_COMMIT_ID %H%nSIM_GIT_COMMIT_TIME $isodate" >.git-commit-id