Calculate Hour difference between two DateTime in SQL Server

Check the query.

According to the Time you can able to check who is outside for more than 1 hour.

CREATE TABLE #Test
(
    V_INDATETIME DATETIME,
    V_OUTDATETIME DATETIME
)

INSERT INTO #Test VALUES('2022-07-05 16:41:35.180','2022-07-05 17:35:32.797')
INSERT INTO #Test VALUES('2022-07-05 16:43:51.830','2022-07-08 17:35:57.533')

SELECT CONVERT(VARCHAR(10),DATEDIFF(HOUR, V_INDATETIME, V_OUTDATETIME)%24) + ':'
    + CONVERT(VARCHAR(10),DATEDIFF(MINUTE,  V_INDATETIME, V_OUTDATETIME)%3600/60) + ':'
    + CONVERT(VARCHAR(10),(DATEDIFF(SECOND, V_INDATETIME, V_OUTDATETIME)%60)) AS [Time] 
FROM #Test

DROP TABLE #Test

Output

Time

1:0:57

1:12:6