Time Period T Calculation for Seismic Base Shear

What is Time Period:

How to Calculate Time Period:

T = 0.083 x (7)^(3/4)    
T = 0.357 second

[hn must be in meter]

Ct Value 0.083 for Steel, 0.073 for RCC in meter
Ct Value 0.035 for Steel, 0.030 for RCC in ft