Original article from Dandavats http://www.dandavats.com/?p=11265
Tṛṇāvarta killed (7th Chapter) – after a full year passed
(varṣe pūrṇe).
Damodāra-līlā (Chapters 9-10) – in the beginning of the third year during Kārtika month
(tṛtīya-varṣārambhe kārtike) (2 years and 2 months).
Kṛṣṇa-Balarāma and all the cowherds move to Vṛndāvana (11th Chapter) – some days after Damodāra-līlā
(katicid-dinānte vṛndāvana-praveśaḥ) (2 years and 2 months).
Kṛṣṇa began herding the calves (10.11.37) - 2-3 months after moving to Vṛndāvana
(dvi-tra-māsānantaraṁ vatsa-cāraṇārambhaḥ) (2 years and 4-5 months).
Vatsāsura, Bakāsura and Vyomāsura killed (10.11.41-54) – during that time
(tatra vatsa-baka-vyoma-vadhaḥ) (2 years and 4-5 months).
Brahmā stole the cowherd boys and calves (Chapters 12-14 ) – after the third year passed and the fourth year started, in the autumn
(tṛtīye pūrṇe caturthārambhe śaradi bāla-vatsa-haraṇaṁ) (little more than 3 years)
[Note: At this time He actually entered paugaṇḍa age but it was manifested only after a year passed – see 10.12.41].
Paugaṇḍa age manifested (10.12.37) – in the beginning of the fifth year
(pañcamārambhe paugaṇḍa-prakāśaḥ) (little more than 4 years).
Started herding the cows (10.15.1) – on śukla-aṣṭamī of Kārtika month
(tatra kārtika-śuklāṣṭamyāṁ go-cāraṇārambhaḥ) (4 years, 2 months and 2 weeks).
Kāliya-damana-līlā (Chapters 16-17) – in the summer of the fifth year
(pañcamasya nidāghe kāliya-damanaṁ) (4 years and appr. 10 months).
[Note: This līlā is described in Śrīmad-Bhāgavatam after killing of Dhenukāsura]
In His sixth year He was immersed in
herding the cows -
(ṣaṣṭhe go-cāraṇa-kautuka-mātraṁ)
He entered kaiśora age – in the beginning of the seventh year
(saptamārambhe kaiśora-praveśaḥ) (little more than 6 years).
Dhenuka killed (15th Chapter)– at that time when when tāla-fruits became ripe
(tatraiva pakva-tālāvasare dhenuka-vadhaḥ).
On that evening also
the gopīs for the first time manifested their loving mood described in 10.15.43. (little more than 6 years).
Pralamba killed (18th Chapter) – in the summer of the seventh year
(saptamasya nidāghe pralamba-vadhaḥ) (6 years and appr. 10 months).
Veṇu-gītā pastime (21st Chapter) – in the eighth year during Aśvina month
(aṣṭamasyāśvine veṇu-gītaṁ) (7 years and 1 month).
Kṛṣṇa lifted Govardhana (24th Chapter) – in His eighth year, on the first day of the waxing moon in Kārtika month
(kārtīke govardhanoddharaṇaṁ) (7 years, 2 months and 7 days).
Govinda-abhiṣeka (27th Chapter) – in the beginning of His eighth year, on śukla-ekādaśī of Kārtika month
(aṣṭamārambhe eva kārtika-śuklaikādaśyāṁ govindābhiṣekaḥ) (7 years, 2 months and 17 days).
Journey to Varuṇa’s planet (10.28.1-11) – on the following dvādaśī
(dvādaśyāṁ ca varuṇa-loka-gamanaṁ) (7 years, 2 months and 18 days).
Vrajavāsīs bathed in Brahma-hrada (10.28.16) – on the following full moon day of Kārtika
(tat-pūrṇimāyāṁ brahma-hradāvagāhanaṁ) (7 years, 2 months and 21 days).
Vastra-haraṇa-līlā (22nd Chapter) – in the winter of His eighth year
(hemante vastra-haraṇaṁ) (7 years and appr. 3 months).
Showing mercy to the wives of the brāhmaṇas (23rd Chapter) – in the summer of His eighth year
(nidāghe yajña-patnī-prasādaḥ) (7 years and appr. 10 months).
[Note: Śrīla Jīva Gosvāmī says in the commentary to 10.24.1 that these līlās are described in Śrīmad-Bhāgavatam out of chronological order because of Śukadeva Gosvāmī’s lack of self-control due to his prema
(prema-vaivaśyāt) and also because of the similarity of the pastimes
(svajātīyatvāc ca)]
Rāsa-līlā (Chapters 29-33) – in the beginning of His ninth year, in the autumn season
(navamasya śaradi rāsa-līlā) (8 years and 1.5 months).
Journey to Ambikā-vana (10.34.1-3) - during Śiva-rātri festival on caturdaśī [on the fourteenth lunar day of the dark fortnight of the month of Phālguna] -
(śiva-rātri-caturdaśyām ambikā-vana-yātrā) (8 years, 6 months and 6 days).
Śaṅkhacūḍa killed (10.34.25-32) – in Phālguna month
(phālgunyāṁ śaṅkhacūḍa-vadhaḥ) (appr. 8.5 years).
Ariṣṭāsura killed (10.36.1-15) - on the full moon of Caitra month
(ekādaśasya caitra-paurṇamāsyām ariṣṭa-vadhaḥ) (10 years, 7 months and 21 days).
Keśī killed (10.37.1-8) - on the twelfth day of the dark fortnight of Phālguna
(dvādaśasya gauṇa-phālguna-dvādaśyāṁ keśi-vadhaḥ) (11 years, 6 months and 4 days).
Kaṁsa killed (44th Chapter) - on the fourteenth day of the dark fortnight of Phālguna month [2 days later]
(tac caturdaśyāṁ kaṁsa-vadhaḥ) (11 years, 6 months and 6 days