Refers to someone who has no concept of punctuality, and is constantly running late. You can expect someone running on Isaar time to show up to upwards of 2 hours after the agreed upon time of meeting.
Oh he’s running on Isaar Time, he won’t be here for at least another half hour.
Istaara is one of the smartest people you will ever meet, she is better than everyone and periodically funny. She is ambitious, cool and all round a delight to be around.