Ha!
Sounds like me in the garage! My wife has different "time zones" for me - that adjust the stated time that I'll be done based on what I'm doing...
Standard Time is add about 20 minutes...
WOTHT (Working on the house time) is +1.5 hours
WOTCT (Working on the car time) is +2 hours or more
If by chance you haven't downloaded the service manual for your car, check it out at
www.infinitiservicemanual.com
Heath