diff --git a/src/Umbraco.Cms.Api.Management/Controllers/Document/GetAuditLogDocumentController.cs b/src/Umbraco.Cms.Api.Management/Controllers/Document/GetAuditLogDocumentController.cs
index 206d2d2252d8..a22841850e44 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/Document/GetAuditLogDocumentController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/Document/GetAuditLogDocumentController.cs
@@ -35,7 +35,7 @@ public GetAuditLogDocumentController(
     [MapToApiVersion("1.0")]
     [HttpGet("{id:guid}/audit-log")]
     [ProducesResponseType(typeof(PagedViewModel<AuditLogResponseModel>), StatusCodes.Status200OK)]
-    public async Task<IActionResult> GetAuditLog(CancellationToken cancellationToken, Guid id, Direction orderDirection = Direction.Descending, DateTime? sinceDate = null, int skip = 0, int take = 100)
+    public async Task<IActionResult> GetAuditLog(CancellationToken cancellationToken, Guid id, Direction orderDirection = Direction.Descending, DateTimeOffset? sinceDate = null, int skip = 0, int take = 100)
     {
         AuthorizationResult authorizationResult = await _authorizationService.AuthorizeResourceAsync(
             User,
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllLogViewerController.cs b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllLogViewerController.cs
index 1a93a60da2ab..d341361da264 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllLogViewerController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllLogViewerController.cs
@@ -48,8 +48,8 @@ public async Task<IActionResult> AllLogs(
         Direction orderDirection = Direction.Descending,
         string? filterExpression = null,
         [FromQuery(Name = "logLevel")] LogLevel[]? logLevels = null,
-        DateTime? startDate = null,
-        DateTime? endDate = null)
+        DateTimeOffset? startDate = null,
+        DateTimeOffset? endDate = null)
     {
         var levels = logLevels?.Select(l => l.ToString()).ToArray();
 
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllMessageTemplateLogViewerController.cs b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllMessageTemplateLogViewerController.cs
index faed45ca05d6..92f5c9d970da 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllMessageTemplateLogViewerController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/AllMessageTemplateLogViewerController.cs
@@ -40,8 +40,8 @@ public async Task<IActionResult> AllMessageTemplates(
         CancellationToken cancellationToken,
         int skip = 0,
         int take = 100,
-        DateTime? startDate = null,
-        DateTime? endDate = null)
+        DateTimeOffset? startDate = null,
+        DateTimeOffset? endDate = null)
     {
         Attempt<PagedModel<LogTemplate>, LogViewerOperationStatus> messageTemplatesAttempt = await _logViewerService.GetMessageTemplatesAsync(startDate, endDate, skip, take);
 
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/LogLevelCountLogViewerController.cs b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/LogLevelCountLogViewerController.cs
index 5ae69bb9014f..4e7095b9ef23 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/LogLevelCountLogViewerController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/LogLevelCountLogViewerController.cs
@@ -34,8 +34,8 @@ public LogLevelCountLogViewerController(ILogViewerService logViewerService, IUmb
     [ProducesResponseType(typeof(LogLevelCountsReponseModel), StatusCodes.Status200OK)]
     public async Task<IActionResult> LogLevelCounts(
         CancellationToken cancellationToken,
-        DateTime? startDate = null,
-        DateTime? endDate = null)
+        DateTimeOffset? startDate = null,
+        DateTimeOffset? endDate = null)
     {
         Attempt<LogLevelCounts?, LogViewerOperationStatus> logLevelCountsAttempt =
             await _logViewerService.GetLogLevelCountsAsync(startDate, endDate);
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/ValidateLogFileSizeLogViewerController.cs b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/ValidateLogFileSizeLogViewerController.cs
index 553b3df475bf..6b42892f2dfe 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/ValidateLogFileSizeLogViewerController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/LogViewer/ValidateLogFileSizeLogViewerController.cs
@@ -26,8 +26,8 @@ public class ValidateLogFileSizeLogViewerController : LogViewerControllerBase
     [ProducesResponseType(StatusCodes.Status200OK)]
     public async Task<IActionResult> CanViewLogs(
         CancellationToken cancellationToken,
-        DateTime? startDate = null,
-        DateTime? endDate = null)
+        DateTimeOffset? startDate = null,
+        DateTimeOffset? endDate = null)
     {
         Attempt<bool, LogViewerOperationStatus> result = await _logViewerService.CanViewLogsAsync(startDate, endDate);
 
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/Media/GetAuditLogMediaController.cs b/src/Umbraco.Cms.Api.Management/Controllers/Media/GetAuditLogMediaController.cs
index 445bf86b9fbf..bd99aa27ad88 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/Media/GetAuditLogMediaController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/Media/GetAuditLogMediaController.cs
@@ -34,7 +34,7 @@ public GetAuditLogMediaController(
     [MapToApiVersion("1.0")]
     [HttpGet("{id:guid}/audit-log")]
     [ProducesResponseType(typeof(PagedViewModel<AuditLogResponseModel>), StatusCodes.Status200OK)]
-    public async Task<IActionResult> GetAuditLog(CancellationToken cancellationToken, Guid id, Direction orderDirection = Direction.Descending, DateTime? sinceDate = null, int skip = 0, int take = 100)
+    public async Task<IActionResult> GetAuditLog(CancellationToken cancellationToken, Guid id, Direction orderDirection = Direction.Descending, DateTimeOffset? sinceDate = null, int skip = 0, int take = 100)
     {
         AuthorizationResult authorizationResult = await _authorizationService.AuthorizeResourceAsync(
             User,
diff --git a/src/Umbraco.Cms.Api.Management/ViewModels/Member/MemberResponseModel.cs b/src/Umbraco.Cms.Api.Management/ViewModels/Member/MemberResponseModel.cs
index 13cff882c0c8..0125d85523ec 100644
--- a/src/Umbraco.Cms.Api.Management/ViewModels/Member/MemberResponseModel.cs
+++ b/src/Umbraco.Cms.Api.Management/ViewModels/Member/MemberResponseModel.cs
@@ -19,11 +19,11 @@ public class MemberResponseModel : ContentResponseModelBase<MemberValueModel, Me
 
     public int FailedPasswordAttempts { get; set; }
 
-    public DateTime? LastLoginDate { get; set; }
+    public DateTimeOffset? LastLoginDate { get; set; }
 
-    public DateTime? LastLockoutDate { get; set; }
+    public DateTimeOffset? LastLockoutDate { get; set; }
 
-    public DateTime? LastPasswordChangeDate { get; set; }
+    public DateTimeOffset? LastPasswordChangeDate { get; set; }
 
     public IEnumerable<Guid> Groups { get; set; } = [];
 }
diff --git a/src/Umbraco.Core/Services/AuditService.cs b/src/Umbraco.Core/Services/AuditService.cs
index 0281066dbff3..737314201324 100644
--- a/src/Umbraco.Core/Services/AuditService.cs
+++ b/src/Umbraco.Core/Services/AuditService.cs
@@ -242,7 +242,7 @@ public async Task<PagedModel<IAuditItem>> GetItemsByKeyAsync(
         int skip,
         int take,
         Direction orderDirection = Direction.Descending,
-        DateTime? sinceDate = null,
+        DateTimeOffset? sinceDate = null,
         AuditType[]? auditTypeFilter = null)
         {
             if (skip < 0)
@@ -264,7 +264,7 @@ public async Task<PagedModel<IAuditItem>> GetItemsByKeyAsync(
             using (ScopeProvider.CreateCoreScope(autoComplete: true))
             {
                 IQuery<IAuditItem> query = Query<IAuditItem>().Where(x => x.Id == keyToIdAttempt.Result);
-                IQuery<IAuditItem>? customFilter = sinceDate.HasValue ? Query<IAuditItem>().Where(x => x.CreateDate >= sinceDate) : null;
+                IQuery<IAuditItem>? customFilter = sinceDate.HasValue ? Query<IAuditItem>().Where(x => x.CreateDate >= sinceDate.Value.LocalDateTime) : null;
                 PaginationHelper.ConvertSkipTakeToPaging(skip, take, out var pageNumber, out var pageSize);
 
                 IEnumerable<IAuditItem> auditItems = _auditRepository.GetPagedResultsByQuery(query, pageNumber, pageSize, out var totalRecords, orderDirection, auditTypeFilter, customFilter);
diff --git a/src/Umbraco.Core/Services/IAuditService.cs b/src/Umbraco.Core/Services/IAuditService.cs
index b80fdb3b3e68..e4c973ced056 100644
--- a/src/Umbraco.Core/Services/IAuditService.cs
+++ b/src/Umbraco.Core/Services/IAuditService.cs
@@ -99,7 +99,7 @@ Task<PagedModel<IAuditItem>> GetItemsByKeyAsync(
         int skip,
         int take,
         Direction orderDirection = Direction.Descending,
-        DateTime? sinceDate = null,
+        DateTimeOffset? sinceDate = null,
         AuditType[]? auditTypeFilter = null) => throw new NotImplementedException();
 
     /// <summary>
diff --git a/src/Umbraco.Core/Services/ILogViewerService.cs b/src/Umbraco.Core/Services/ILogViewerService.cs
index 97907ec9728a..9e7f9feb3f85 100644
--- a/src/Umbraco.Core/Services/ILogViewerService.cs
+++ b/src/Umbraco.Core/Services/ILogViewerService.cs
@@ -22,8 +22,8 @@ public interface ILogViewerService : IService
     /// <param name="filterExpression">The query expression to filter on.</param>
     /// <param name="logLevels">The log levels for which to retrieve the log messages.</param>
     Task<Attempt<PagedModel<ILogEntry>?, LogViewerOperationStatus>> GetPagedLogsAsync(
-        DateTime? startDate,
-        DateTime? endDate,
+        DateTimeOffset? startDate,
+        DateTimeOffset? endDate,
         int skip,
         int take,
         Direction orderDirection = Direction.Descending,
@@ -63,7 +63,7 @@ public interface ILogViewerService : IService
     /// <param name="startDate">The start date for the date range.</param>
     /// <param name="endDate">The end date for the date range.</param>
     /// <returns>The value whether or not you are able to view the logs.</returns>
-    Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(DateTime? startDate, DateTime? endDate);
+    Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(DateTimeOffset? startDate, DateTimeOffset? endDate);
 
     /// <summary>
     ///     Returns a number of the different log level entries.
@@ -72,7 +72,7 @@ public interface ILogViewerService : IService
     /// </summary>
     /// <param name="startDate">The start date for the date range.</param>
     /// <param name="endDate">The end date for the date range.</param>
-    Task<Attempt<LogLevelCounts?, LogViewerOperationStatus>> GetLogLevelCountsAsync(DateTime? startDate, DateTime? endDate);
+    Task<Attempt<LogLevelCounts?, LogViewerOperationStatus>> GetLogLevelCountsAsync(DateTimeOffset? startDate, DateTimeOffset? endDate);
 
     /// <summary>
     ///     Returns a paged model of all unique message templates and their counts.
@@ -83,7 +83,7 @@ public interface ILogViewerService : IService
     /// <param name="endDate">The end date for the date range.</param>
     /// <param name="skip">The amount of items to skip.</param>
     /// <param name="take">The amount of items to take.</param>
-    Task<Attempt<PagedModel<LogTemplate>, LogViewerOperationStatus>> GetMessageTemplatesAsync(DateTime? startDate, DateTime? endDate, int skip, int take);
+    Task<Attempt<PagedModel<LogTemplate>, LogViewerOperationStatus>> GetMessageTemplatesAsync(DateTimeOffset? startDate, DateTimeOffset? endDate, int skip, int take);
 
     /// <summary>
     ///     Get the log level values of the global minimum and the UmbracoFile one from the config file.
diff --git a/src/Umbraco.Core/Services/LogViewerService.cs b/src/Umbraco.Core/Services/LogViewerService.cs
index 5f3a7d3f04c0..aa1b1478ad3c 100644
--- a/src/Umbraco.Core/Services/LogViewerService.cs
+++ b/src/Umbraco.Core/Services/LogViewerService.cs
@@ -32,8 +32,8 @@ public LogViewerService(
 
     /// <inheritdoc/>
     public async Task<Attempt<PagedModel<ILogEntry>?, LogViewerOperationStatus>> GetPagedLogsAsync(
-        DateTime? startDate,
-        DateTime? endDate,
+        DateTimeOffset? startDate,
+        DateTimeOffset? endDate,
         int skip,
         int take,
         Direction orderDirection = Direction.Descending,
@@ -109,7 +109,7 @@ public async Task<PagedModel<ILogViewerQuery>> GetSavedLogQueriesAsync(int skip,
     }
 
     /// <inheritdoc/>
-    public async Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(DateTime? startDate, DateTime? endDate)
+    public async Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(DateTimeOffset? startDate, DateTimeOffset? endDate)
     {
         LogTimePeriod logTimePeriod = GetTimePeriod(startDate, endDate);
         bool isAllowed = CanViewLogs(logTimePeriod);
@@ -123,7 +123,7 @@ public async Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(Date
     }
 
     /// <inheritdoc/>
-    public async Task<Attempt<LogLevelCounts?, LogViewerOperationStatus>> GetLogLevelCountsAsync(DateTime? startDate, DateTime? endDate)
+    public async Task<Attempt<LogLevelCounts?, LogViewerOperationStatus>> GetLogLevelCountsAsync(DateTimeOffset? startDate, DateTimeOffset? endDate)
     {
         LogTimePeriod logTimePeriod = GetTimePeriod(startDate, endDate);
 
@@ -143,7 +143,7 @@ public async Task<Attempt<bool, LogViewerOperationStatus>> CanViewLogsAsync(Date
     }
 
     /// <inheritdoc/>
-    public async Task<Attempt<PagedModel<LogTemplate>, LogViewerOperationStatus>> GetMessageTemplatesAsync(DateTime? startDate, DateTime? endDate, int skip, int take)
+    public async Task<Attempt<PagedModel<LogTemplate>, LogViewerOperationStatus>> GetMessageTemplatesAsync(DateTimeOffset? startDate, DateTimeOffset? endDate, int skip, int take)
     {
         LogTimePeriod logTimePeriod = GetTimePeriod(startDate, endDate);
 
@@ -183,7 +183,7 @@ public ReadOnlyDictionary<string, LogLevel> GetLogLevelsFromSinks()
     /// <param name="startDate">The start date for the date range (can be null).</param>
     /// <param name="endDate">The end date for the date range (can be null).</param>
     /// <returns>The LogTimePeriod object used to filter logs.</returns>
-    private LogTimePeriod GetTimePeriod(DateTime? startDate, DateTime? endDate)
+    private LogTimePeriod GetTimePeriod(DateTimeOffset? startDate, DateTimeOffset? endDate)
     {
         if (startDate is null || endDate is null)
         {
@@ -199,7 +199,7 @@ private LogTimePeriod GetTimePeriod(DateTime? startDate, DateTime? endDate)
             }
         }
 
-        return new LogTimePeriod(startDate.Value, endDate.Value);
+        return new LogTimePeriod(startDate.Value.LocalDateTime, endDate.Value.LocalDateTime);
     }
 
     /// <summary>