diff --git a/lib/Service/ColumnTypes/DatetimeTimeBusiness.php b/lib/Service/ColumnTypes/DatetimeTimeBusiness.php
index 6d06cc39e..e0d41e4b5 100644
--- a/lib/Service/ColumnTypes/DatetimeTimeBusiness.php
+++ b/lib/Service/ColumnTypes/DatetimeTimeBusiness.php
@@ -17,7 +17,7 @@ class DatetimeTimeBusiness extends SuperBusiness implements IColumnTypeBusiness
 	 * @return string
 	 */
 	public function parseValue($value, ?Column $column = null): string {
-		return json_encode($this->isValidDate($value, 'H:i') ? $value : '');
+		return json_encode($this->isValidDate((string)$value, 'H:i') ? $value : '');
 	}
 
 	/**
@@ -26,7 +26,7 @@ public function parseValue($value, ?Column $column = null): string {
 	 * @return bool
 	 */
 	public function canBeParsed($value, ?Column $column = null): bool {
-		return $this->isValidDate($value, 'H:i');
+		return $this->isValidDate((string)$value, 'H:i');
 	}
 
 }
diff --git a/lib/Service/ImportService.php b/lib/Service/ImportService.php
index 6e9ddade2..d39638a59 100644
--- a/lib/Service/ImportService.php
+++ b/lib/Service/ImportService.php
@@ -161,10 +161,18 @@ private function getPreviewData(Worksheet $worksheet): array {
 				$column = $this->columns[$colIndex];
 
 				if (($column && $column->getType() === 'datetime') || (is_array($columns[$colIndex]) && $columns[$colIndex]['type'] === 'datetime')) {
+					if (isset($columns[$colIndex]['subtype']) && $columns[$colIndex]['subtype'] === 'date') {
+						$format = 'Y-m-d';
+					} elseif (isset($columns[$colIndex]['subtype']) && $columns[$colIndex]['subtype'] === 'time') {
+						$format = 'H:i';
+					} else {
+						$format = 'Y-m-d H:i';
+					}
+
 					try {
-						$value = Date::excelToDateTimeObject($value)->format('Y-m-d H:i');
+						$value = Date::excelToDateTimeObject($value)->format($format);
 					} catch (\TypeError) {
-						$value = (new \DateTimeImmutable($value))->format('Y-m-d H:i');
+						$value = (new \DateTimeImmutable($value))->format($format);
 					}
 				} elseif (($column && $column->getType() === 'number' && $column->getNumberSuffix() === '%')
 					|| (is_array($columns[$colIndex]) && $columns[$colIndex]['type'] === 'number' && $columns[$colIndex]['numberSuffix'] === '%')) {
@@ -372,11 +380,19 @@ private function createRow(Row $row): void {
 
 				$value = $cell->getValue();
 				$hasData = $hasData || !empty($value);
-				if ($column->getType() === 'datetime' && $column->getSubtype() === '') {
+
+				if ($column->getType() === 'datetime') {
+					if ($column->getType() === 'datetime' && $column->getSubtype() === 'date') {
+						$format = 'Y-m-d';
+					} elseif ($column->getType() === 'datetime' && $column->getSubtype() === 'time') {
+						$format = 'H:i';
+					} else {
+						$format = 'Y-m-d H:i';
+					}
 					try {
-						$value = Date::excelToDateTimeObject($value)->format('Y-m-d H:i');
+						$value = Date::excelToDateTimeObject($value)->format($format);
 					} catch (\TypeError) {
-						$value = (new \DateTimeImmutable($value))->format('Y-m-d H:i');
+						$value = (new \DateTimeImmutable($value))->format($format);
 					}
 				} elseif ($column->getType() === 'datetime' && $column->getSubtype() === 'date') {
 					try {
@@ -384,6 +400,12 @@ private function createRow(Row $row): void {
 					} catch (\TypeError) {
 						$value = (new \DateTimeImmutable($value))->format('Y-m-d');
 					}
+				} elseif ($column->getType() === 'datetime' && $column->getSubtype() === 'time') {
+					try {
+						$value = Date::excelToDateTimeObject($value)->format('H:i');
+					} catch (\TypeError) {
+						$value = (new \DateTimeImmutable($value))->format('H:i');
+					}
 				} elseif ($column->getType() === 'number' && $column->getNumberSuffix() === '%') {
 					$value = $value * 100;
 				} elseif ($column->getType() === 'selection' && $column->getSubtype() === 'check') {
@@ -496,15 +518,33 @@ private function parseColumnDataType(Cell $cell): array {
 		];
 
 		try {
+			if ($value === false) {
+				// introduced in PHP 8.3, but provided by symfony-polyfill in server
+				throw new \DateMalformedStringException('We do not accept `false` here');
+			}
 			$dateValue = new \DateTimeImmutable($value);
-		} catch (\Exception $e) {
+		} catch (\Exception) {
 		}
-		if ((isset($dateValue) && $originDataType === DataType::TYPE_STRING)
+
+		if (isset($dateValue)
 			|| Date::isDateTime($cell)
 			|| $originDataType === DataType::TYPE_ISO_DATE) {
+			// the formatted value stems from the office document and shows the original user intent
+			$dateAnalysis = date_parse($formattedValue);
+			$containsDate = $dateAnalysis['year'] !== false || $dateAnalysis['month'] !== false || $dateAnalysis['day'] !== false;
+			$containsTime = $dateAnalysis['hour'] !== false || $dateAnalysis['minute'] !== false || $dateAnalysis['second'] !== false;
+
+			if ($containsDate && !$containsTime) {
+				$subType = 'date';
+			} elseif (!$containsDate && $containsTime) {
+				$subType = 'time';
+			} else {
+				$subType = '';
+			}
+
 			$dataType = [
 				'type' => 'datetime',
-				'subtype' => $cell->getCalculateDateTimeType() === Cell::CALCULATE_DATE_TIME_ASIS ? 'date' : '',
+				'subtype' => $subType,
 			];
 		} elseif ($originDataType === DataType::TYPE_NUMERIC) {
 			if (str_contains($formattedValue, '%')) {
diff --git a/tests/integration/features/APIv1.feature b/tests/integration/features/APIv1.feature
index 23b6ee828..a1e2985df 100644
--- a/tests/integration/features/APIv1.feature
+++ b/tests/integration/features/APIv1.feature
@@ -193,10 +193,10 @@ Feature: APIv1
     And table "Import test" with emoji "👨🏻‍💻" exists for user "participant1" as "base1"
     When user imports file "/<importfile>" into last created table
     Then import results have the following data
-      | found_columns_count     | 8 |
-      | created_columns_count   | 8 |
-      | inserted_rows_count     | 2 |
-      | errors_count            | 0 |
+      | found_columns_count     | 10 |
+      | created_columns_count   | 10 |
+      | inserted_rows_count     |  2 |
+      | errors_count            |  0 |
     Then table has at least following typed columns
       | Col1    | text      |
       | Col2    | text      |
@@ -207,9 +207,9 @@ Feature: APIv1
       | date    | datetime  |
       | truth   | selection |
     Then table contains at least following rows
-      | Col1    | Col2   | Col3   | num   | emoji | special  | date       | truth |
-      | Val1    | Val2   | Val3   | 1     | 💙    | Ä        | 2024-02-24 | false |
-      | great   | news   | here   | 99    | ⚠     | Ö        | 2016-06-01 | true  |
+      | Date and Time    | Col1    | Col2   | Col3   | num   | emoji | special  | date       | truth | time  |
+      | 2022-02-20 08:42 | Val1    | Val2   | Val3   | 1     | 💙    | Ä        | 2024-02-24 | false | 18:48 |
+      | 2016-06-01 13:37 | great   | news   | here   | 99    | ⚠     | Ö        | 2016-06-01 | true  | 01:23 |
 
   Examples:
     | importfile                   |
diff --git a/tests/integration/resources/import-from-libreoffice.csv b/tests/integration/resources/import-from-libreoffice.csv
index d27e813d1..13d758cf7 100644
--- a/tests/integration/resources/import-from-libreoffice.csv
+++ b/tests/integration/resources/import-from-libreoffice.csv
@@ -1,3 +1,3 @@
-Col1,Col2,Col3,num,emoji,special,date,truth
-Val1,Val2,Val3,1,💙,Ä,2024-02-24,false
-great,news,here,99,⚠,Ö,2016-06-01,true
+Date and Time,Col1,Col2,Col3,num,emoji,special,date,truth,time
+2022-02-20 08:42,Val1,Val2,Val3,1,💙,Ä,2024-02-24,false,18:48
+2016-06-01 13:37,great,news,here,99,⚠,Ö,2016-06-01,true,01:23
diff --git a/tests/integration/resources/import-from-libreoffice.ods b/tests/integration/resources/import-from-libreoffice.ods
index 5d539f6e6..617a94508 100644
Binary files a/tests/integration/resources/import-from-libreoffice.ods and b/tests/integration/resources/import-from-libreoffice.ods differ
diff --git a/tests/integration/resources/import-from-libreoffice.xlsx b/tests/integration/resources/import-from-libreoffice.xlsx
index 6cdff60f7..492d8706e 100644
Binary files a/tests/integration/resources/import-from-libreoffice.xlsx and b/tests/integration/resources/import-from-libreoffice.xlsx differ
diff --git a/tests/integration/resources/import-from-ms365.xlsx b/tests/integration/resources/import-from-ms365.xlsx
index 896b4276c..7e9ad13c4 100644
Binary files a/tests/integration/resources/import-from-ms365.xlsx and b/tests/integration/resources/import-from-ms365.xlsx differ