One verse

Srimad Bhagavatam 12.2.24

12.2.24

यदा चन्द्रश्च सूर्यश्च तथा तिष्यबृहस्पती । एकराशौ समेष्यन्ति भविष्यति तदा कृतम् ॥ २४ ॥

yadā candraś ca sūryaś ca tathā tiṣya-bṛhaspatī eka-rāśau sameṣyanti bhaviṣyati tadā kṛtam

yadā
when
candraḥ
the moon
ca
and
sūryaḥ
the sun
ca
and
tathā
also
tiṣya
the asterism Tiṣyā (more commonly known as Puṣyā, extending from 3° 20´ to 16° 40´ Cancer)
bṛhaspatī
and the planet Jupiter
eka-rāśau
in the same constellation (Cancer)
sameṣyanti
will enter simultaneously
bhaviṣyati
will be
tadā
then
kṛtam
Satya-yuga

When the moon, the sun and Bṛhaspatī are together in the constellation Karkaṭa, and all three enter simultaneously into the lunar mansion Puṣyā — at that exact moment the age of Satya, or Kṛta, will begin.