diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41bb60e78e..d85f50f7c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
# Changelog
+## v0.12.0 (15 Oct 2014)
+
+* Additions:
+ - `isSameYear`
+
## v0.11.0 (15 Oct 2014)
* Additions:
diff --git a/README.md b/README.md
index a476ef8f7f..a0d36589dc 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ Code is fully documented, checkout source for reference.
### Year helpers
* [`setYear`](./src/set_year.js) - sets full year
+* [`isSameYear`](./src/is_same_year.js) - is passed dates has the same year?
### I18n
diff --git a/package.json b/package.json
index cce334e834..6473dafdee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
{
"name": "date-fns",
- "version": "0.11.0",
+ "version": "0.12.0",
"author": "Sasha Koss ",
"description": "Date helpers",
"repository": "https://github.com/kossnocorp/date-fns",
diff --git a/src/__tests__/is_same_year_test.js b/src/__tests__/is_same_year_test.js
new file mode 100644
index 0000000000..02e7b78efa
--- /dev/null
+++ b/src/__tests__/is_same_year_test.js
@@ -0,0 +1,28 @@
+var isSameYear = require('../is_same_year');
+
+describe('isSameYear', function() {
+ it('returns true if passed dates has same year', function() {
+ var result = isSameYear(
+ new Date(2014, 8 /* Sep */, 2),
+ new Date(2014, 8 /* Sep */, 25)
+ );
+ expect(result).to.be.true;
+ });
+
+ it('returns false if passed dates has different years', function() {
+ var result = isSameYear(
+ new Date(2014, 8 /* Sep */, 2),
+ new Date(2013, 8 /* Sep */, 25)
+ );
+ expect(result).to.be.false;
+ });
+
+ it('allows to pass string', function() {
+ var result = isSameYear(
+ new Date(2014, 8 /* Sep */, 2).toISOString(),
+ new Date(2014, 8 /* Sep */, 25).toISOString()
+ );
+ expect(result).to.be.true;
+ });
+});
+
diff --git a/src/is_same_year.js b/src/is_same_year.js
new file mode 100644
index 0000000000..230f93a836
--- /dev/null
+++ b/src/is_same_year.js
@@ -0,0 +1,14 @@
+/**
+ * Is passed dates has the same year?
+ * @param {date|string} dirtyDateLeft
+ * @param {date|string} dirtyDateRight
+ * @returns {boolean}
+ */
+var isSameYear = function(dirtyDateLeft, dirtyDateRight) {
+ var dateLeft = new Date(dirtyDateLeft);
+ var dateRight = new Date(dirtyDateRight);
+ return dateLeft.getFullYear() == dateRight.getFullYear();
+};
+
+module.exports = isSameYear;
+