diff --git a/3party/opening_hours/opening_hours_tests/osm_time_range_tests.cpp b/3party/opening_hours/opening_hours_tests/osm_time_range_tests.cpp
index cc5c266064..d971ca4225 100644
--- a/3party/opening_hours/opening_hours_tests/osm_time_range_tests.cpp
+++ b/3party/opening_hours/opening_hours_tests/osm_time_range_tests.cpp
@@ -574,7 +574,30 @@ BOOST_AUTO_TEST_CASE(OpeningHoursYearRanges_TestParseUnparse)
     auto const parsedUnparsed = ParseAndUnparse<osmoh::TYearRanges>(rule);
     BOOST_CHECK_EQUAL(parsedUnparsed, rule);
   }
+}
 
+BOOST_AUTO_TEST_CASE(OpeningHoursWeekRanges_TestParseUnparse)
+{
+  {
+    auto const rule = "week 15";
+    auto const parsedUnparsed = ParseAndUnparse<osmoh::TWeekRanges>(rule);
+    BOOST_CHECK_EQUAL(parsedUnparsed, rule);
+  }
+  {
+    auto const rule = "week 19-31";
+    auto const parsedUnparsed = ParseAndUnparse<osmoh::TWeekRanges>(rule);
+    BOOST_CHECK_EQUAL(parsedUnparsed, rule);
+  }
+  {
+    auto const rule = "week 18-36/3";
+    auto const parsedUnparsed = ParseAndUnparse<osmoh::TWeekRanges>(rule);
+    BOOST_CHECK_EQUAL(parsedUnparsed, rule);
+  }
+  {
+    auto const rule = "week 18-36/3,11";
+    auto const parsedUnparsed = ParseAndUnparse<osmoh::TWeekRanges>(rule);
+    BOOST_CHECK_EQUAL(parsedUnparsed, rule);
+  }
 }
 
 // BOOST_AUTO_TEST_CASE(OpeningHours_TimeHit)
diff --git a/3party/opening_hours/osm_parsers.hpp b/3party/opening_hours/osm_parsers.hpp
index b8d0e0cd58..d3b6db127d 100644
--- a/3party/opening_hours/osm_parsers.hpp
+++ b/3party/opening_hours/osm_parsers.hpp
@@ -122,28 +122,35 @@ class year_selector : public qi::grammar<Iterator, osmoh::TYearRanges(), space_t
   }
 };
 
- // template <typename Iterator>
-// class week_selector : public qi::grammar<Iterator, space_type>
-// {
-//  protected:
-//   qi::rule<Iterator, space_type> week;
-//   qi::rule<Iterator, space_type> year_range;
-//   qi::rule<Iterator, space_type> main;
-//  public:
-//   week_selector() : week_selector::base_type(main)
-//   {
-//     using qi::uint_;
-//     using qi::lit;
-//     using charset::char_;
+template <typename Iterator>
+class week_selector : public qi::grammar<Iterator, osmoh::TWeekRanges(), space_type>
+{
+ protected:
+  qi::rule<Iterator, osmoh::WeekRange(), space_type> week;
+  qi::rule<Iterator, osmoh::TWeekRanges(), space_type> main;
 
-//     week %= (weeknum >> dash >> weeknum >> '/' >> uint_)
-//         | (weeknum >> dash >> weeknum)
-//         | weeknum
-//         ;
+ public:
+  week_selector() : week_selector::base_type(main)
+  {
+    using qi::uint_;
+    using qi::lit;
+    using qi::_1;
+    using qi::_2;
+    using qi::_3;
+    using qi::_val;
 
-//     main %= charset::no_case[lit("week")] >> week % ',';
-//   }
-// };
+    week = (weeknum >> dash >> weeknum >> '/' >> uint_)
+           [bind(&osmoh::WeekRange::SetStart, _val, _1),
+            bind(&osmoh::WeekRange::SetEnd, _val, _2),
+            bind(&osmoh::WeekRange::SetPeriod, _val, _3)]
+        | (weeknum >> dash >> weeknum) [bind(&osmoh::WeekRange::SetStart, _val, _1),
+                                        bind(&osmoh::WeekRange::SetEnd, _val, _2)]
+        | weeknum                      [bind(&osmoh::WeekRange::SetStart, _val, _1)]
+        ;
+
+    main %= charset::no_case[lit("week")] >> (week % ',');
+  }
+};
 
 template <typename Iterator>
 class month_selector : public qi::grammar<Iterator, TMonthdayRanges(), space_type>
diff --git a/3party/opening_hours/osm_time_range.cpp b/3party/opening_hours/osm_time_range.cpp
index e7ac35413e..ca6ec3d474 100644
--- a/3party/opening_hours/osm_time_range.cpp
+++ b/3party/opening_hours/osm_time_range.cpp
@@ -987,6 +987,77 @@ std::ostream & operator<<(std::ostream & ost, TYearRanges const ranges)
   return ost;
 }
 
+
+bool WeekRange::IsEmpty() const
+{
+  return !HasStart() && !HasEnd();
+}
+
+bool WeekRange::HasStart() const
+{
+  return GetStart() != 0;
+}
+
+bool WeekRange::HasEnd() const
+{
+  return GetEnd() != 0;
+}
+
+bool WeekRange::HasPeriod() const
+{
+  return GetPeriod() != 0;
+}
+
+WeekRange::TWeek WeekRange::GetStart() const
+{
+  return m_start;
+}
+
+WeekRange::TWeek WeekRange::GetEnd() const
+{
+  return m_end;
+}
+
+uint32_t WeekRange::GetPeriod() const
+{
+  return m_period;
+}
+
+void WeekRange::SetStart(TWeek const start)
+{
+  m_start = start;
+}
+
+void WeekRange::SetEnd(TWeek const end)
+{
+  m_end = end;
+}
+
+void WeekRange::SetPeriod(uint32_t const period)
+{
+  m_period = period;
+}
+
+std::ostream & operator<<(std::ostream & ost, WeekRange const range)
+{
+  PrintPaddedNumber(ost, range.GetStart(), 2);
+  if (range.HasEnd())
+  {
+    ost << '-';
+    PrintPaddedNumber(ost, range.GetEnd(), 2);
+    if (range.HasPeriod())
+      ost << '/' << range.GetPeriod();
+  }
+  return ost;
+}
+
+std::ostream & operator<<(std::ostream & ost, TWeekRanges const ranges)
+{
+  ost << "week ";
+  PrintVector(ost, ranges);
+  return ost;
+}
+
 // std::ostream & operator << (std::ostream & s, State const & w)
 // {
 //   static char const * st[] = {"unknown", "closed", "open"};
diff --git a/3party/opening_hours/osm_time_range.hpp b/3party/opening_hours/osm_time_range.hpp
index 5338d0f74b..843c2da647 100644
--- a/3party/opening_hours/osm_time_range.hpp
+++ b/3party/opening_hours/osm_time_range.hpp
@@ -448,6 +448,36 @@ using TYearRanges = std::vector<YearRange>;
 
 std::ostream & operator<<(std::ostream & ost, YearRange const range);
 std::ostream & operator<<(std::ostream & ost, TYearRanges const ranges);
+
+class WeekRange
+{
+ public:
+  using TWeek = uint8_t;
+
+ public:
+  bool IsEmpty() const;
+  bool HasStart() const;
+  bool HasEnd() const;
+  bool HasPeriod() const;
+
+  TWeek GetStart() const;
+  TWeek GetEnd() const;
+  uint32_t GetPeriod() const;
+
+  void SetStart(TWeek const start);
+  void SetEnd(TWeek const end);
+  void SetPeriod(uint32_t const period);
+
+ private:
+  TWeek m_start{};
+  TWeek m_end{};
+  uint32_t m_period{0};
+};
+
+using TWeekRanges = std::vector<WeekRange>;
+
+std::ostream & operator<<(std::ostream & ost, WeekRange const range);
+std::ostream & operator<<(std::ostream & ost, TWeekRanges const ranges);
 } // namespace osmoh
 
 
diff --git a/3party/opening_hours/parse.cpp b/3party/opening_hours/parse.cpp
index 9f14c6e167..06503608e8 100644
--- a/3party/opening_hours/parse.cpp
+++ b/3party/opening_hours/parse.cpp
@@ -26,6 +26,12 @@ template<typename Iterator> struct context_parser<osmoh::TYearRanges, Iterator>
   using type = osmoh::parsing::year_selector<Iterator>;
 };
 
+template<typename Iterator> struct context_parser<osmoh::TWeekRanges, Iterator>
+{
+  using type = osmoh::parsing::week_selector<Iterator>;
+};
+
+
 template <typename Context, typename Iterator>
 using context_parser_t = typename context_parser<Context, Iterator>::type;
 
@@ -56,6 +62,7 @@ bool ParseImp(std::string const & str, Context & context)
 }
 } // namespace
 
+
 namespace osmoh
 {
 bool Parse(std::string const & str, TTimespans & s)
@@ -77,4 +84,9 @@ bool Parse(std::string const & str, TYearRanges & y)
 {
   return ParseImp(str, y);
 }
+
+bool Parse(std::string const & str, TWeekRanges & w)
+{
+  return ParseImp(str, w);
+}
 } // namespace osmoh
diff --git a/3party/opening_hours/parse.hpp b/3party/opening_hours/parse.hpp
index 913511553f..f1574cad77 100644
--- a/3party/opening_hours/parse.hpp
+++ b/3party/opening_hours/parse.hpp
@@ -9,4 +9,5 @@ bool Parse(std::string const &, TTimespans &);
 bool Parse(std::string const &, Weekdays &);
 bool Parse(std::string const &, TMonthdayRanges &);
 bool Parse(std::string const &, TYearRanges &);
+bool Parse(std::string const &, TWeekRanges &);
 } // namespace osmoh