diff --git a/ebos/eclbasevanguard.hh b/ebos/eclbasevanguard.hh
index 44c8fb7db..ef65595de 100644
--- a/ebos/eclbasevanguard.hh
+++ b/ebos/eclbasevanguard.hh
@@ -49,6 +49,7 @@
 #include <opm/parser/eclipse/EclipseState/Schedule/Action/State.hpp>
 #include <opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQState.hpp>
 #include <opm/parser/eclipse/EclipseState/Schedule/UDQ/UDQConfig.hpp>
+#include <opm/common/utility/TimeService.hpp>
 
 
 #include <opm/simulators/utils/readDeck.hpp>
@@ -448,7 +449,7 @@ public:
                  std::move(parseContext_), /* initFromRestart = */ false,
                  /* checkDeck = */ enableExperiments);
 
-        this->summaryState_ = std::make_unique<Opm::SummaryState>( std::chrono::system_clock::from_time_t(this->eclSchedule_->getStartTime() ));
+        this->summaryState_ = std::make_unique<Opm::SummaryState>( Opm::TimeService::from_time_t(this->eclSchedule_->getStartTime() ));
         this->udqState_ = std::make_unique<Opm::UDQState>( this->eclSchedule_->getUDQConfig(0).params().undefinedValue() );
         this->actionState_ = std::make_unique<Opm::Action::State>() ;
 
diff --git a/ebos/eclproblem.hh b/ebos/eclproblem.hh
index 43ab9a41a..a8ab7b5d0 100644
--- a/ebos/eclproblem.hh
+++ b/ebos/eclproblem.hh
@@ -99,6 +99,7 @@
 #include <opm/parser/eclipse/EclipseState/Tables/RockwnodTable.hpp>
 #include <opm/parser/eclipse/EclipseState/Tables/OverburdTable.hpp>
 #include <opm/parser/eclipse/EclipseState/Tables/RocktabTable.hpp>
+#include <opm/common/utility/TimeService.hpp>
 #include <opm/material/common/ConditionalStorage.hpp>
 
 #include <dune/common/version.hh>
@@ -858,11 +859,10 @@ public:
         auto& simulator = this->simulator();
         const auto& eclState = simulator.vanguard().eclState();
         const auto& schedule = simulator.vanguard().schedule();
-        const auto& timeMap = schedule.getTimeMap();
 
         // Set the start time of the simulation
-        simulator.setStartTime(timeMap.getStartTime(/*reportStepIdx=*/0));
-        simulator.setEndTime(timeMap.getTotalTime());
+        simulator.setStartTime(schedule.getStartTime());
+        simulator.setEndTime(schedule.simTime(schedule.size() - 1));
 
         // We want the episode index to be the same as the report step index to make
         // things simpler, so we have to set the episode index to -1 because it is
@@ -968,7 +968,7 @@ public:
         // to the first "real" episode/report step
         // for restart the episode index and start is already set
         if (!initconfig.restartRequested()) {
-            simulator.startNextEpisode(timeMap.getTimeStepLength(0));
+            simulator.startNextEpisode(schedule.seconds(0));
             simulator.setEpisodeIndex(0);
         }
     }
@@ -1027,7 +1027,6 @@ public:
         auto& eclState = simulator.vanguard().eclState();
         const auto& schedule = simulator.vanguard().schedule();
         const auto& events = schedule[episodeIdx].events();
-        const auto& timeMap = schedule.getTimeMap();
 
         if (episodeIdx >= 0 && events.hasEvent(Opm::ScheduleEvents::GEO_MODIFIER)) {
             // bring the contents of the keywords to the current state of the SCHEDULE
@@ -1052,12 +1051,12 @@ public:
             std::ostringstream ss;
             boost::posix_time::time_facet* facet = new boost::posix_time::time_facet("%d-%b-%Y");
             boost::posix_time::ptime curDateTime =
-                boost::posix_time::from_time_t(timeMap.getStartTime(episodeIdx));
+                boost::posix_time::from_time_t(schedule.simTime(episodeIdx));
             ss.imbue(std::locale(std::locale::classic(), facet));
             ss << "Report step " << episodeIdx + 1
-                      << "/" << timeMap.numTimesteps()
-                      << " at day " << timeMap.getTimePassedUntil(episodeIdx)/(24*3600)
-                      << "/" << timeMap.getTotalTime()/(24*3600)
+                      << "/" << schedule.size() - 1
+                      << " at day " << schedule.seconds(episodeIdx)/(24*3600)
+                      << "/" << schedule.seconds(schedule.size() - 1)/(24*3600)
                       << ", date = " << curDateTime.date()
                       << "\n ";
             OpmLog::info(ss.str());
@@ -1241,18 +1240,17 @@ public:
     {
         auto& simulator = this->simulator();
         auto& schedule = simulator.vanguard().schedule();
-        const auto& timeMap = schedule.getTimeMap();
 
         int episodeIdx = simulator.episodeIndex();
 
         // check if we're finished ...
-        if (episodeIdx + 1 >= static_cast<int>(timeMap.numTimesteps())) {
+        if (episodeIdx + 1 >= static_cast<int>(schedule.size() - 1)) {
             simulator.setFinished(true);
             return;
         }
 
         // .. if we're not yet done, start the next episode (report step)
-        simulator.startNextEpisode(timeMap.getTimeStepLength(episodeIdx + 1));
+        simulator.startNextEpisode(schedule.stepLength(episodeIdx + 1));
     }
 
     /*!
@@ -1381,7 +1379,7 @@ public:
 
                 const auto& wellpi = this->fetchWellPI(reportStep, *action, schedule, matching_wells);
 
-                schedule.applyAction(reportStep, std::chrono::system_clock::from_time_t(simTime), *action, actionResult, wellpi);
+                schedule.applyAction(reportStep, Opm::TimeService::from_time_t(simTime), *action, actionResult, wellpi);
                 actionState.add_run(*action, simTime);
 
                 for ( const auto& [wname, _] : wellpi) {
@@ -2742,16 +2740,15 @@ private:
         auto& simulator = this->simulator();
         const auto& schedule = simulator.vanguard().schedule();
         const auto& eclState = simulator.vanguard().eclState();
-        const auto& timeMap = schedule.getTimeMap();
         const auto& initconfig = eclState.getInitConfig();
         {
             int restart_step = initconfig.getRestartStep();
 
-            simulator.setStartTime(timeMap.getStartTime(/*timeStepIdx=*/0));
-            simulator.setTime(timeMap.getTimePassedUntil(restart_step));
+            simulator.setStartTime(schedule.simTime(0));
+            simulator.setTime(schedule.seconds(restart_step));
 
             simulator.startNextEpisode(simulator.startTime() + simulator.time(),
-                                       timeMap.getTimeStepLength(restart_step));
+                                       schedule.stepLength(restart_step));
             simulator.setEpisodeIndex(restart_step);
         }
         eclWriter_->beginRestart();
diff --git a/ebos/eclwellmanager.hh b/ebos/eclwellmanager.hh
index 3036f365f..e986fbefc 100644
--- a/ebos/eclwellmanager.hh
+++ b/ebos/eclwellmanager.hh
@@ -605,7 +605,7 @@ public:
         if (wellTopologyChanged_(eclState, reportStepIdx))
             return true;
 
-        if (schedule.getTimeMap().numTimesteps() <= (unsigned) reportStepIdx)
+        if ((schedule.size() - 1) <= (unsigned) reportStepIdx)
             // for the "until the universe dies" episode, the wells don't change
             return false;
 
@@ -660,7 +660,7 @@ protected:
             return true;
         }
 
-        if (schedule.getTimeMap().numTimesteps() <= (unsigned) reportStepIdx)
+        if ((schedule.size() - 1) <= (unsigned) reportStepIdx)
             // for the "until the universe dies" episode, the wells don't change
             return false;
 
diff --git a/examples/printvfp.cpp b/examples/printvfp.cpp
index b52199948..a03eae381 100644
--- a/examples/printvfp.cpp
+++ b/examples/printvfp.cpp
@@ -28,6 +28,7 @@
 #include <opm/simulators/wells/VFPProperties.hpp>
 #include <opm/simulators/wells/VFPInjProperties.hpp>
 #include <opm/simulators/wells/VFPProdProperties.hpp>
+#include <opm/common/utility/TimeService.hpp>
 
 #include <iostream>
 #include <iomanip>
@@ -52,7 +53,7 @@ struct Setup
           const Runspec runspec(deck);
           python = std::make_shared<Python>();
           schedule.reset( new Schedule(deck, *ecl_state, python));
-          summary_state.reset( new SummaryState(std::chrono::system_clock::from_time_t(schedule->getStartTime())));
+          summary_state.reset( new SummaryState(TimeService::from_time_t(schedule->getStartTime())));
         }
         const int step = 0;
         const auto& sched_state = schedule->operator[](step);
diff --git a/opm/simulators/flow/FlowMainEbos.hpp b/opm/simulators/flow/FlowMainEbos.hpp
index 47f021d69..892f4d392 100644
--- a/opm/simulators/flow/FlowMainEbos.hpp
+++ b/opm/simulators/flow/FlowMainEbos.hpp
@@ -608,13 +608,12 @@ namespace Opm
         {
 
             const auto& schedule = this->schedule();
-            const auto& timeMap = schedule.getTimeMap();
             auto& ioConfig = eclState().getIOConfig();
             simtimer_ = std::make_unique<SimulatorTimer>();
 
             // initialize variables
             const auto& initConfig = eclState().getInitConfig();
-            simtimer_->init(timeMap, (size_t)initConfig.getRestartStep());
+            simtimer_->init(schedule, (size_t)initConfig.getRestartStep());
 
             if (this->output_cout_) {
                 std::ostringstream oss;
diff --git a/opm/simulators/flow/SimulatorFullyImplicitBlackoilEbos.hpp b/opm/simulators/flow/SimulatorFullyImplicitBlackoilEbos.hpp
index 61f7bc653..f74cc7eba 100644
--- a/opm/simulators/flow/SimulatorFullyImplicitBlackoilEbos.hpp
+++ b/opm/simulators/flow/SimulatorFullyImplicitBlackoilEbos.hpp
@@ -231,7 +231,7 @@ public:
 
         ebosSimulator_.startNextEpisode(
             ebosSimulator_.startTime()
-               + schedule().getTimeMap().getTimePassedUntil(timer.currentStepNum()),
+               + schedule().seconds(timer.currentStepNum()),
             timer.currentStepLength());
         ebosSimulator_.setEpisodeIndex(timer.currentStepNum());
         solver->model().beginReportStep();
diff --git a/opm/simulators/timestepping/SimulatorTimer.cpp b/opm/simulators/timestepping/SimulatorTimer.cpp
index a5b441260..b2a5fdd42 100644
--- a/opm/simulators/timestepping/SimulatorTimer.cpp
+++ b/opm/simulators/timestepping/SimulatorTimer.cpp
@@ -49,16 +49,16 @@ namespace Opm
     }
 
     /// Use the SimulatorTimer as a shim around opm-parser's Opm::TimeMap
-    void SimulatorTimer::init(const TimeMap& timeMap, size_t report_step)
+    void SimulatorTimer::init(const Schedule& schedule, size_t report_step)
     {
-        total_time_ = timeMap.getTotalTime();
-        timesteps_.resize(timeMap.numTimesteps());
-        for ( size_t i = 0; i < timeMap.numTimesteps(); ++i ) {
-            timesteps_[i] = timeMap.getTimeStepLength(i);
+        total_time_ = schedule.seconds( schedule.size() - 1 );
+        timesteps_.resize(schedule.size() - 1);
+        for ( size_t i = 0; i < schedule.size() - 1; ++i ) {
+            timesteps_[i] = schedule.stepLength(i);
         }
 
         setCurrentStepNum(report_step);
-        start_date_ = boost::posix_time::from_time_t( timeMap.getStartTime(0)).date();
+        start_date_ = boost::posix_time::from_time_t(schedule.getStartTime()).date();
     }
 
     /// Whether the current step is the first step.
diff --git a/opm/simulators/timestepping/SimulatorTimer.hpp b/opm/simulators/timestepping/SimulatorTimer.hpp
index 2dc894532..ec58ccb46 100644
--- a/opm/simulators/timestepping/SimulatorTimer.hpp
+++ b/opm/simulators/timestepping/SimulatorTimer.hpp
@@ -20,7 +20,7 @@
 #ifndef OPM_SIMULATORTIMER_HEADER_INCLUDED
 #define OPM_SIMULATORTIMER_HEADER_INCLUDED
 
-#include <opm/parser/eclipse/EclipseState/Schedule/TimeMap.hpp>
+#include <opm/parser/eclipse/EclipseState/Schedule/Schedule.hpp>
 #include <opm/simulators/timestepping/SimulatorTimerInterface.hpp>
 
 #include <iosfwd>
@@ -46,8 +46,8 @@ namespace Opm
         ///    stepsize_days (default 1)
         void init(const ParameterGroup& param);
 
-        /// Use the SimulatorTimer as a shim around opm-parser's Opm::TimeMap
-        void init(const TimeMap& timeMap, size_t report_step = 0);
+        /// Use the SimulatorTimer as a shim around opm-commons Schedule class
+        void init(const Schedule& schedule, size_t report_step = 0);
 
         /// Whether the current step is the first step.
         bool initialStep() const;
diff --git a/opm/simulators/utils/ParallelRestart.cpp b/opm/simulators/utils/ParallelRestart.cpp
index 347645eb0..6bef3d885 100644
--- a/opm/simulators/utils/ParallelRestart.cpp
+++ b/opm/simulators/utils/ParallelRestart.cpp
@@ -283,7 +283,7 @@ std::size_t packSize(const RestartValue& data, Dune::MPIHelper::MPICommunicator
         +  packSize(data.extra, comm);
 }
 
-std::size_t packSize(const std::chrono::system_clock::time_point&, Dune::MPIHelper::MPICommunicator comm)
+std::size_t packSize(const Opm::time_point&, Dune::MPIHelper::MPICommunicator comm)
 {
     std::time_t tp;
     return packSize(tp, comm);
@@ -576,10 +576,10 @@ void pack(const RestartValue& data, std::vector<char>& buffer, int& position,
     pack(data.extra, buffer, position, comm);
 }
 
-void pack(const std::chrono::system_clock::time_point& data, std::vector<char>& buffer, int& position,
+void pack(const Opm::time_point& data, std::vector<char>& buffer, int& position,
           Dune::MPIHelper::MPICommunicator comm)
 {
-    pack(std::chrono::system_clock::to_time_t(data), buffer, position, comm);
+    pack(Opm::TimeService::to_time_t(data), buffer, position, comm);
 }
 
 
@@ -887,12 +887,12 @@ void unpack(RestartValue& data, std::vector<char>& buffer, int& position,
     unpack(data.extra, buffer, position, comm);
 }
 
-void unpack(std::chrono::system_clock::time_point& data, std::vector<char>& buffer, int& position,
+void unpack(Opm::time_point& data, std::vector<char>& buffer, int& position,
             Dune::MPIHelper::MPICommunicator comm)
 {
     std::time_t tp;
     unpack(tp, buffer, position, comm);
-    data = std::chrono::system_clock::from_time_t(tp);
+    data = Opm::TimeService::from_time_t(tp);
 }
 
 
diff --git a/opm/simulators/utils/ParallelRestart.hpp b/opm/simulators/utils/ParallelRestart.hpp
index fe8421860..f4bb80597 100644
--- a/opm/simulators/utils/ParallelRestart.hpp
+++ b/opm/simulators/utils/ParallelRestart.hpp
@@ -27,6 +27,7 @@
 #include <opm/output/eclipse/EclipseIO.hpp>
 #include <opm/output/eclipse/Summary.hpp>
 #include <opm/parser/eclipse/EclipseState/Schedule/Action/State.hpp>
+#include <opm/common/utility/TimeService.hpp>
 
 #include <dune/common/parallel/mpihelper.hh>
 
@@ -321,7 +322,7 @@ ADD_PACK_PROTOTYPES(data::WellRates)
 ADD_PACK_PROTOTYPES(RestartKey)
 ADD_PACK_PROTOTYPES(RestartValue)
 ADD_PACK_PROTOTYPES(std::string)
-ADD_PACK_PROTOTYPES(std::chrono::system_clock::time_point)
+ADD_PACK_PROTOTYPES(Opm::time_point)
 
 } // end namespace Mpi
 
diff --git a/tests/test_timer.cpp b/tests/test_timer.cpp
index b1dbf871c..f78a1ebfb 100644
--- a/tests/test_timer.cpp
+++ b/tests/test_timer.cpp
@@ -29,6 +29,10 @@
 #include <opm/parser/eclipse/Parser/Parser.hpp>
 #include <opm/simulators/timestepping/SimulatorTimer.hpp>
 #include <opm/parser/eclipse/Units/Units.hpp>
+#include <opm/parser/eclipse/Python/Python.hpp>
+#include <opm/parser/eclipse/EclipseState/Grid/FieldPropsManager.hpp>
+#include <opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp>
+#include <opm/parser/eclipse/EclipseState/Tables/TableManager.hpp>
 
 #include <string>
 #include <iostream>
@@ -40,14 +44,17 @@ BOOST_AUTO_TEST_CASE(CreateTimer)
     const std::string filename1 = "TESTTIMER.DATA";
     Opm::Parser parser;
     Opm::Deck parserDeck = parser.parseFile( filename1);
-
-    Opm::TimeMap timeMap( parserDeck );
+    auto python = std::make_shared<Opm::Python>();
+    Opm::EclipseGrid grid(10,10,10);
+    Opm::FieldPropsManager fp(parserDeck, Opm::Phases{true, true, true}, grid, Opm::TableManager());
+    Opm::Runspec runspec(parserDeck);
+    Opm::Schedule schedule( parserDeck, grid, fp, runspec, python );
     Opm::SimulatorTimer simtimer;
 
     boost::gregorian::date defaultStartDate( 2012, 1, 1);
     BOOST_CHECK_EQUAL(  boost::posix_time::ptime(defaultStartDate), simtimer.currentDateTime() );
 
-    simtimer.init(timeMap);
+    simtimer.init(schedule);
     boost::gregorian::date startDate( 2014, 3, 26);
     BOOST_CHECK_EQUAL(  boost::posix_time::ptime(startDate), simtimer.currentDateTime() );
 
diff --git a/tests/test_wellmodel.cpp b/tests/test_wellmodel.cpp
index 7e19ebb3b..71e250e0e 100644
--- a/tests/test_wellmodel.cpp
+++ b/tests/test_wellmodel.cpp
@@ -37,6 +37,7 @@
 
 #include <opm/grid/GridManager.hpp>
 #include <opm/parser/eclipse/Units/Units.hpp>
+#include <opm/common/utility/TimeService.hpp>
 
 #include <opm/material/fluidmatrixinteractions/EclMaterialLawManager.hpp>
 #include <opm/grid/GridHelpers.hpp>
@@ -73,7 +74,7 @@ struct SetupTest {
           const Opm::Runspec runspec (deck);
           python = std::make_shared<Opm::Python>();
           schedule.reset( new Opm::Schedule(deck, *ecl_state, python));
-          summaryState.reset( new Opm::SummaryState(std::chrono::system_clock::from_time_t(schedule->getStartTime())));
+          summaryState.reset( new Opm::SummaryState(Opm::TimeService::from_time_t(schedule->getStartTime())));
         }
         current_timestep = 0;
     };
diff --git a/tests/test_wellstatefullyimplicitblackoil.cpp b/tests/test_wellstatefullyimplicitblackoil.cpp
index 97e3a6261..b480d509a 100644
--- a/tests/test_wellstatefullyimplicitblackoil.cpp
+++ b/tests/test_wellstatefullyimplicitblackoil.cpp
@@ -31,6 +31,7 @@
 #include <opm/parser/eclipse/Parser/ParseContext.hpp>
 #include <opm/parser/eclipse/EclipseState/Schedule/Schedule.hpp>
 #include <opm/parser/eclipse/Units/Units.hpp>
+#include <opm/common/utility/TimeService.hpp>
 
 #include <opm/grid/GridHelpers.hpp>
 
@@ -57,7 +58,7 @@ struct Setup
         , grid (es.getInputGrid())
         , python( std::make_shared<Opm::Python>() )
         , sched(deck, es, python)
-        , st(std::chrono::system_clock::from_time_t(sched.getStartTime()))
+        , st(Opm::TimeService::from_time_t(sched.getStartTime()))
     {
         initWellPerfData();
     }