When it (the sun) passes through the five signs headed by Vrsabha (Taurus), the duration of the days increases (until Cancer), and then it gradually decreases by half an hour each month, until day and night again become equal (in Libra)

Expressions researched:
"When it passes through the five signs headed by Vrsabha" |"and then it gradually decreases by half an hour each month, until day and night again become equal" |"the duration of the days increases"

SB Canto 5

When the sun passes through Meṣa (Aries) and Tulā (Libra), the durations of day and night are equal. When it passes through the five signs headed by Vṛṣabha (Taurus), the duration of the days increases (until Cancer), and then it gradually decreases by half an hour each month, until day and night again become equal (in Libra).

SB 5.21.4, Translation:

When the sun passes through Meṣa (Aries) and Tulā (Libra), the durations of day and night are equal. When it passes through the five signs headed by Vṛṣabha (Taurus), the duration of the days increases (until Cancer), and then it gradually decreases by half an hour each month, until day and night again become equal (in Libra).