diff --git a/.coveragerc b/.coveragerc
index 4b76e9c..13d6586 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -7,6 +7,7 @@ source = datetime_helpers
 exclude_lines =
     pragma: no cover
     def __repr__
+    def __str__
     if self\.debug
     pragma: no cover
     raise NotImplementedError
diff --git a/README.md b/README.md
index 0a0432c..9575fd8 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,7 @@
-# datetime-helpers
+# Datetime Helpers
 
 A handy collection of datetime utils.
 
-[![Build](https://github.com/DeveloperRSquared/datetime-helpers/actions/workflows/build.yml/badge.svg)](https://github.com/DeveloperRSquared/datetime-helpers/actions/workflows/build.yml)
 [![Publish](https://github.com/DeveloperRSquared/datetime-helpers/actions/workflows/publish.yml/badge.svg)](https://github.com/DeveloperRSquared/datetime-helpers/actions/workflows/publish.yml)
 
 [![Python 3.7+](https://img.shields.io/badge/python-3.7+-brightgreen.svg)](#datetime-helpers)
@@ -15,6 +14,89 @@ A handy collection of datetime utils.
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](http://mypy-lang.org/)
 
+## What's available?
+
+```py
+import datetime_helpers
+
+# Given a datetime:
+>>> dt = datetime.date(2017, 4, 17)
+
+# Check the day of week
+>>> datetime_helpers.get_day_of_week(dt=dt)
+'Monday'
+
+# Check if it is a weekend
+>>> datetime_helpers.is_weekend(dt=dt)
+False
+
+# Check if it is a weekday
+>>> datetime_helpers.is_weekday(dt=dt)
+True
+
+# Get the previous business day
+>>> datetime_helpers.get_previous_business_day(dt=dt)
+datetime.date(2017, 4, 14)
+
+# Get the next business day
+>>> datetime_helpers.get_next_business_day(dt=dt)
+datetime.date(2017, 4, 18)
+
+# Get the first business day of the month
+>>> datetime_helpers.get_first_business_day_of_month(dt=dt)
+datetime.date(2017, 4, 3)
+
+# Get the nth business day of the month
+>>> n = 3  # e.g. third business day
+>>> datetime_helpers.get_nth_business_day_of_month(dt=dt, n=n)
+datetime.date(2017, 4, 5)
+
+# Convert to a datetime string with custom format (defaults to JSON date format)
+>>> datetime_helpers.datetime_to_string(dt=dt)
+'2017-04-17T00:00:00.000000Z'
+
+# Convert to a date string with custom format (defaults to YYYY-MM-DD)
+>>> datetime_helpers.date_to_string(dt=dt)
+'2017-04-17'
+
+# Convert a string with custom format to datetime (defaults to JSON date format)
+>>> text = '2016-04-17T00:00:00.000000Z'
+>>> datetime_helpers.datetime_from_string(text=text)
+datetime.datetime(2016, 4, 17, 0, 0)
+
+# Convert a string with custom format to datetime (defaults to JSON date format)
+>>> text = '2016-04-17T00:00:00.000000Z'
+>>> datetime_helpers.datetime_from_string(text=text)
+datetime.datetime(2016, 4, 17, 0, 0)
+
+# Convert a windows filetime to datetime
+>>> windows_filetime = 116444736000000000
+>>> datetime_helpers.datetime_from_windows_filetime(windows_filetime=windows_filetime)
+datetime.datetime(1970, 1, 1, 0, 0)
+
+# Convert to seconds
+>>> datetime_helpers.datetime_to_seconds(dt=dt)
+1492387200.0
+
+# Convert seconds to datetime
+>>> seconds = 1492387200
+>>> datetime_helpers.datetime_from_seconds(seconds=seconds)
+datetime.datetime(2017, 4, 17, 0, 0)
+
+# Convert to millis
+>>> datetime_helpers.datetime_to_millis(dt=dt)
+1492387200000
+
+# Convert millis to datetime
+>>> millis = 1492387200000
+>>> datetime_helpers.datetime_from_millis(millis=millis)
+datetime.datetime(2017, 4, 17, 0, 0)
+
+# Convert date to datetime
+>>> datetime_helpers.datetime_from_date(dt=dt)
+datetime.datetime(2017, 4, 17, 0, 0)
+```
+
 ## Install
 
 Install and update using [pip](https://pypi.org/project/datetime-helpers/).
diff --git a/poetry.lock b/poetry.lock
index 62f0caa..c10b75d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -161,11 +161,11 @@ python-dateutil = ">=2.7"
 
 [[package]]
 name = "http-exceptions"
-version = "0.2.3"
+version = "0.2.6"
 description = "Raisable HTTP Exceptions"
 category = "main"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.7,<4.0"
 
 [[package]]
 name = "identify"
@@ -519,7 +519,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "b96dc526ea8c6ad0de89dffafbdb3436d0642afea5408b8e14c90b542ea89520"
+content-hash = "9c506a7736790e5ff7b81c159957ebd5b8598b895e0a73cd08bf285b6fe8997c"
 
 [metadata.files]
 astroid = [
@@ -616,7 +616,8 @@ freezegun = [
     {file = "freezegun-1.1.0.tar.gz", hash = "sha256:177f9dd59861d871e27a484c3332f35a6e3f5d14626f2bf91be37891f18927f3"},
 ]
 http-exceptions = [
-    {file = "http_exceptions-0.2.3-py3-none-any.whl", hash = "sha256:826d17cc330318bb95fde14ce9031af4a0b4e305fa3070013785ce942550512a"},
+    {file = "http-exceptions-0.2.6.tar.gz", hash = "sha256:545313a497dcdd16b8412ca6b2d30ab3a354ede321f80f5e17e7bb12a0828ff9"},
+    {file = "http_exceptions-0.2.6-py3-none-any.whl", hash = "sha256:577ff5a947c33be8c6a9ea466b20dd13d9bbb8eff03d42716a9113d21a474fb9"},
 ]
 identify = [
     {file = "identify-2.4.6-py2.py3-none-any.whl", hash = "sha256:cf06b1639e0dca0c184b1504d8b73448c99a68e004a80524c7923b95f7b6837c"},
diff --git a/pyproject.toml b/pyproject.toml
index 5ba6a91..20ff17c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "datetime-helpers"
-version = "0.0.12"
+version = "0.0.13"
 description = "Util for working with date and datetime objects"
 authors = ["rikhilrai"]
 license = "MIT"
@@ -40,7 +40,7 @@ packages = [
 python = "^3.7"
 
 importlib-metadata = "^4.2.0"
-http-exceptions = "^0.2.3"
+http-exceptions = "^0.2.6"
 
 [tool.poetry.dev-dependencies]
 mypy = "^0.931"
diff --git a/src/datetime_helpers/__init__.py b/src/datetime_helpers/__init__.py
index 04b3f66..747479c 100644
--- a/src/datetime_helpers/__init__.py
+++ b/src/datetime_helpers/__init__.py
@@ -1,10 +1,16 @@
 # isort: skip_file
+# pylint: disable=wrong-import-position
 try:
     from importlib.metadata import version
+    from importlib.metadata import PackageNotFoundError
 except ImportError:
     from importlib_metadata import version  # type: ignore[no-redef]
+    from importlib_metadata import PackageNotFoundError  # type: ignore[no-redef,misc]
 
-__version__: str = version(__name__)
+try:
+    __version__: str = version(__name__)
+except PackageNotFoundError:
+    __version__ = "unknown"
 
 from .utils import DayOfWeek
 from .utils import get_day_of_week
diff --git a/src/tests/test_utils.py b/src/tests/test_utils.py
index 32db02d..7ee56a8 100644
--- a/src/tests/test_utils.py
+++ b/src/tests/test_utils.py
@@ -333,6 +333,7 @@ class TestDatetimeToMillis:
             (datetime.datetime(1970, 1, 1), 0),
             (datetime.datetime(1970, 1, 1, 0, 0, 1), 1000),
             (datetime.datetime(2016, 4, 17), 1460851200000),
+            (datetime.datetime(2017, 4, 17), 1492387200000),
         ],
     )
     def test_datetime_to_millis(self, dt: datetime.datetime, millis: int) -> None: