Database
[{"_id":"62ad8ac4a5523541d78df217","lessonID":"35d02fc5-94dd-48e7-a315-7dcea6ac6806","teachers":["629232d2fc8fa8646b21cf3d"],"students":["62924d0a6055ad4d2533577b"],"subject":"English","start":1655515800000,"end":1655517600000,"roomNumber":"3","venue":"Elmwood Park","attendance":["62924d0a6055ad4d2533577b"],"paid":false,"__v":0}]
Query
db.collection.update({"lessonID":"35d02fc5-94dd-48e7-a315-7dcea6ac6806"},{$inc:{start:7,end:7}})