diff --git a/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs b/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs
new file mode 100644
index 00000000..919dda4d
--- /dev/null
+++ b/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs
@@ -0,0 +1,135 @@
+using AsbCloudApp.Data;
+using AsbCloudApp.Data.WellOperationImport.Options;
+using AsbCloudApp.Repositories;
+using AsbCloudApp.Requests;
+using AsbCloudApp.Services;
+using AsbCloudApp.Services.WellOperationImport;
+using AsbCloudDb.Model;
+using AsbCloudInfrastructure.Services.WellOperationImport;
+using AsbCloudInfrastructure.Services.WellOperationImport.FileParser;
+using NSubstitute;
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
+{
+    public class WellOperationExportServiceTest
+    {
+        private const int idWell = 4;
+
+        private IWellService wellService;
+        private IWellOperationRepository wellOperationRepository;
+        private IWellOperationImportTemplateService wellOperationImportTemplateService;
+        private WellOperationExportService wellOperationExportService;
+        private WellOperationImportService wellOperationImportService;
+        private IWellOperationExcelParser<WellOperationImportDefaultOptionsDto> wellOperationDefaultExcelParser;
+
+        public WellOperationExportServiceTest()
+        {
+            wellService = Substitute.For<IWellService>();
+            wellOperationRepository = Substitute.For<IWellOperationRepository>();
+            wellOperationImportTemplateService = new WellOperationImportTemplateService();
+            wellOperationExportService = new WellOperationExportService(wellOperationRepository, wellService, wellOperationImportTemplateService);
+
+            wellOperationImportService = new WellOperationImportService(wellOperationRepository);
+            wellOperationDefaultExcelParser = new WellOperationDefaultExcelParser();
+        }
+
+        private readonly WellOperationDto[] operations = new WellOperationDto[2] {
+                new WellOperationDto() {
+                    CategoryInfo = "1",
+                    Comment = "1",
+                    DateStart = DateTime.Now,
+                    Day = 0,
+                    DepthStart = 10,
+                    DurationHours = 10,
+                    DepthEnd = 20,
+                    IdCategory = 1,
+                    Id = 1,
+                    IdPlan = 1,
+                    IdType = 0,
+                    IdWell = idWell,
+                    IdWellSectionType = 1,
+                    NptHours = 10
+                },
+               new WellOperationDto() {
+                    CategoryInfo = "2",
+                    Comment = "2",
+                    DateStart = DateTime.Now.AddDays(1),
+                    Day = 0,
+                    DepthStart = 20,
+                    DurationHours = 20,
+                    DepthEnd = 30,
+                    IdCategory = 2,
+                    Id = 2,
+                    IdPlan = 1,
+                    IdType = 0,
+                    IdWell = idWell,
+                    IdWellSectionType = 2,
+                    NptHours = 20
+                }
+            };
+
+        private readonly WellSectionTypeDto[] sectionTypes = new WellSectionTypeDto[2]
+        {
+            new WellSectionTypeDto()
+            {
+                Caption = "1",
+                Id = 1,
+                Order = 0
+            },
+            new WellSectionTypeDto()
+            {
+                Caption = "2",
+                Id = 2,
+                Order = 1
+            }
+        };
+
+        private readonly WellOperationCategoryDto[] categories = new WellOperationCategoryDto[2]
+        {
+            new WellOperationCategoryDto()
+            {
+               Id = 1,
+               IdParent = 1,
+               KeyValueName = "1",
+               KeyValueUnits = "1",
+               Name = "1"
+            },
+            new WellOperationCategoryDto()
+            {
+               Id = 2,
+               IdParent = 2,
+               KeyValueName = "2",
+               KeyValueUnits = "2",
+               Name = "2"
+            }
+        };
+
+        [Fact]
+        public async Task Check_exported_dates()
+        {
+            wellOperationRepository.GetAsync(Arg.Any<WellOperationRequest>(), Arg.Any<CancellationToken>())
+                .ReturnsForAnyArgs(operations);
+            wellOperationRepository.GetSectionTypes().Returns(sectionTypes);
+            wellOperationRepository.GetCategories(false).Returns(categories);
+
+            var stream = await wellOperationExportService.ExportAsync(idWell, CancellationToken.None);
+
+            var options = new WellOperationImportDefaultOptionsDto
+            {
+                IdType = WellOperation.IdOperationTypePlan
+            };
+            var sheet = wellOperationDefaultExcelParser.Parse(stream, options);
+            var result = wellOperationImportService.Import(idWell, 1, options.IdType, sheet);
+
+            var expectedDates = operations.Select(o => o.DateStart.ToString("yyyy-MM-dd HH:mm:ss"));
+            var realDates = result.Select(o => o.DateStart.ToString("yyyy-MM-dd HH:mm:ss"));
+            Assert.Equal(expectedDates, realDates);
+        }
+    }
+
+}