In one day , how many times does the observer pass through a tidal bulge

Four tides are common in a day.

Explanation:

As there are two tidal bulges that are experienced on the earth each and every day between midday and the morning hours as toe high and low tides, as the earth's surface rotates each day has tides once a day. They occur every 12 hr and 25 minutes due to the rotation of the earth on its axis. The occurrence of the two neap and two spring tides take place due to the differences in the ocean bottoms, and coastline shape, and the other factors, unique tide that differ around the world.

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