The hole for the timing marks is located on the front of the engine, right below the distributor. You'll have to remove the hood to get a good angle for the timing light (I don't know why they designed it that way).
timing marks on a Honda accord lx 2.3 year 2000 specifically the counter balance shaft
there are two kinds of timing marks. one is for ignition timing and one for valve timing.
The timing marks should be on the balancer and the timing cover. If they are not there, someone removed the window marks.The timing marks should be on the balancer and the timing cover. If they are not there, someone removed the window marks.
The timing marks are on a tab adjacent to the harmonic balancer.
There should be advance marks on the harmonic balancer, and timing marks on both timing chain gears.
on the harmonic balancer
On the harmonic balancer/driverside
The timing marks should be found on a little metal plate directly above the harmonic balancer.
Timing marks are normally on the harmonic balancer if your engine has one. If your engine is internally balanced, the timing marks will be on the timing chain/belt gears.
On the front of the timing chain cover, drivers side towards the top of the harmonic balancer.
on the harmonic balancer, at crank shaft