- '%aD': author date, RFC2822 style
- '%ar': author date, relative
- '%at': author date, UNIX timestamp
-- '%ai': author date, ISO 8601 format
+- '%ai': author date, ISO 8601-like format
+- '%aI': author date, strict ISO 8601 format
- '%cn': committer name
- '%cN': committer name (respecting .mailmap, see
linkgit:git-shortlog[1] or linkgit:git-blame[1])
- '%cD': committer date, RFC2822 style
- '%cr': committer date, relative
- '%ct': committer date, UNIX timestamp
-- '%ci': committer date, ISO 8601 format
+- '%ci': committer date, ISO 8601-like format
+- '%cI': committer date, strict ISO 8601 format
- '%d': ref names, like the --decorate option of linkgit:git-log[1]
- '%e': encoding
- '%s': subject