Bhagavatapurana 11.12.11

11.12.11

tās tāḥ kṣapāḥ preṣṭhatamena nītā mayaiva vṛndāvana-gocareṇa /
kṣaṇārdha-vat tāḥ punar aṅga tāsāṃ hīnā mayā kalpa-samā babhūvuḥ //

11. Those various nights which they spent like a moment with Me their most beloved one, while at Brindavana, became to them in My absence as heavy as ages.