diff --git a/Dockerfile.android b/Dockerfile.android
index 79c0149..c2a41b8 100644
--- a/Dockerfile.android
+++ b/Dockerfile.android
@@ -49,7 +49,7 @@ cd /workspace/src/android
 E_UID=\$(stat -c '%u' /source)
 E_GID=\$(stat -c '%g' /source)
 BRANCH=\$(git rev-parse --abbrev-ref HEAD)
-DATE=\$(date +%Y%m%d%H%M%S)
+DATE=\$(TZ=UTC0 git show --quiet --date='format-local:%Y%m%d%H%M%S' --format="%cd")
 SHORT_SHA=\$(git rev-parse --short HEAD)
 ID=\${DATE}-\${BRANCH}-\${SHORT_SHA}
 T=\${1}
diff --git a/README.md b/README.md
index 20b8e13..00418d9 100755
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Example:
 This requires Docker.
 
 Output artifacts, `.apk` or `.AppImage`, and logs, will end up in this directory. Their names contain
-target, build date/time, branch, and short commit SHA for easy reference.
+target, commit date/time, branch, and short commit SHA for easy reference.
 
 No hand-holding (yet), so if you typo stuff or wrongly capitalize it, things will break.