$\angle \gamma$ = 90˚ − Tilt angle − 23.45˚

$\angle \gamma$ = 90˚ − 2 × (Tilt angle) − 23.45˚

Distance to keep between each two strings: 3.110 m with tilt angle 24˚

Distance to keep between each two strings: 8.5 m with tilt angle 24˚

Shadow length is 7.278 m on 21^st January.

The proposed distance covers the shadow length on 21^st January.

Deviation from the formula

No deviation from the formula