Repository: joke2k/faker (python)

Issue:
Add provider `gj-IN` for Gujarati language
* Faker version:  <= 29.0.0
* OS: all

There is no provider for Gujarati language in faker


### Expected behavior

There should be a new provider

### Actual behavior

No Provider for `gj-IN`


Pull request description:
Add `datetime` provider for `gu_IN` locale
### What does this change

Add `datetime` provider for `gu_IN` locale

### What was wrong

No date_time provider


Fixes #2106 

### Checklist

- [ ] I have read the documentation about [CONTRIBUTING](https://github.com/joke2k/faker/blob/master/CONTRIBUTING.rst)
- [ ] I have read the documentation about [Coding style](https://github.com/joke2k/faker/blob/master/docs/coding_style.rst)
- [ ] I have run `make lint`


Patch:
diff --git a/faker/providers/date_time/gu_IN/__init__.py b/faker/providers/date_time/gu_IN/__init__.py
new file mode 100644
index 00000000..aab4d02c
--- /dev/null
+++ b/faker/providers/date_time/gu_IN/__init__.py
@@ -0,0 +1,76 @@
+from .. import Provider as DateTimeProvider
+
+
+class Provider(DateTimeProvider):
+
+    DAY_NAMES = {
+        "0": "Ravivar",
+        "1": "Somvar",
+        "2": "Mangalvar",
+        "3": "Budhvar",
+        "4": "Guruvar",
+        "5": "Shukravar",
+        "6": "Shanivar",
+    }
+
+    DAY_NAMES_IN_GUJARATI = {
+        "0": "રવિવાર",
+        "1": "સોમવાર",
+        "2": "મંગળવાર",
+        "3": "બુધવાર",
+        "4": "ગુરુવાર",
+        "5": "શુક્રવાર",
+        "6": "શનિવાર",
+    }
+
+    MONTH_NAMES = {
+        "01": "Kartak",
+        "02": "Magshar",
+        "03": "Posh",
+        "04": "Maha",
+        "05": "Fagan",
+        "06": "Chaitra",
+        "07": "Vaishakh",
+        "08": "Jeth",
+        "09": "Ashadh",
+        "10": "Shravan",
+        "11": "Bhadarvo",
+        "12": "Aaso",
+    }
+
+    MONTH_NAMES_IN_GUJARATI = {
+        "01": "કારતક",
+        "02": "માગશર",
+        "03": "પોષ",
+        "04": "મહા",
+        "05": "ફાગણ",
+        "06": "ચૈત્ર",
+        "07": "વૈશાખ",
+        "08": "જેઠ",
+        "09": "અષાઢ",
+        "10": "શ્રાવણ",
+        "11": "ભાદરવો",
+        "12": "આસો",
+    }
+
+    def day_of_week(self) -> str:
+        day = self.date("%w")
+        return self.DAY_NAMES[day]
+
+    def month_name(self) -> str:
+        month = self.month()
+        return self.MONTH_NAMES[month]
+
+    def day_of_week_in_guj(self) -> str:
+        """Returns day of the week in `Gujarati`"""
+        day = self.date("%w")
+        return self.DAY_NAMES_IN_GUJARATI[day]
+
+    def month_name_in_guj(self) -> str:
+        """Returns month name in `Gujarati`"""
+        month = self.month()
+        return self.MONTH_NAMES_IN_GUJARATI[month]
+
+    def month_in_guj(self) -> str:
+        """Returns month name in `Gujarati`"""
+        return self.month_name()


Test patch:
diff --git a/tests/providers/test_date_time.py b/tests/providers/test_date_time.py
index 0ad57b03..3349e2aa 100644
--- a/tests/providers/test_date_time.py
+++ b/tests/providers/test_date_time.py
@@ -26,6 +26,7 @@ from faker.providers.date_time.de_DE import Provider as DeDeProvider
 from faker.providers.date_time.el_GR import Provider as ElGrProvider
 from faker.providers.date_time.es_ES import Provider as EsEsProvider
 from faker.providers.date_time.fr_FR import Provider as FrFrProvider
+from faker.providers.date_time.gu_IN import Provider as GuINProvider
 from faker.providers.date_time.hy_AM import Provider as HyAmProvider
 from faker.providers.date_time.it_IT import Provider as ItItProvider
 from faker.providers.date_time.ja_JP import Provider as JaJpProvider
@@ -1357,6 +1358,35 @@ class TestFrCa(unittest.TestCase):
         assert day in FrFrProvider.MONTH_NAMES.values()
 
 
+class TestGuIN(unittest.TestCase):
+    """Test `gu_IN` (Gujarati) provider for date_time"""
+
+    def setUp(self):
+        self.fake = Faker("gu_IN")
+        Faker.seed(0)
+
+    def test_day(self):
+        day = self.fake.day_of_week()
+        assert day in GuINProvider.DAY_NAMES.values()
+
+    def test_month(self):
+        month = self.fake.month_name()
+        assert month in GuINProvider.MONTH_NAMES.values()
+
+    def test_day_in_guj(self):
+        day = self.fake.day_of_week_in_guj()
+        assert day in GuINProvider.DAY_NAMES_IN_GUJARATI.values()
+
+    def test_month_in_guj(self):
+        """Test `month_in_guj` and `month_names_in_guj` methods"""
+
+        month = self.fake.month_name_in_guj()
+        assert month in GuINProvider.MONTH_NAMES_IN_GUJARATI.values()
+
+        month = self.fake.month_in_guj()
+        assert month in GuINProvider.MONTH_NAMES_IN_GUJARATI.values()
+
+
 class TestJaJp(unittest.TestCase):
     def setUp(self):
         self.fake = Faker("ja_JP")