According to the Paddhati of Dhyanacandra Gosvami (he refers to Brhad-gautamiya-tantra), the eternal ages (in nitya-lila) of Sri Radha and Sri Krishna are as follows:
Sri Radha: 14 years, 2 months, 15 days
Sri Krishna: 15 years, 9 months, 7 days
In his commentary on Bhakti-rasamrta-sindhu, Sri Visvanatha Cakravartipada gives the following course of Krishna's age and his pastimes:
Gokula Mahavana: Birth - 3 years 4 months
Vrindavan, Raman Reti: 3 years 4 months - 6 years 8 months
Nandagram: 6 years 8 months - 10 years 7 months
At the age of 10 years, 7 months, on the dark fortnight of the month of Caitra, Sri Krishna left to Mathura.
Sri Visvanatha Cakravartipada further explains that He stayed in Mathura until the age of 28 years, four months, and then moved over to Dvaraka.
In the Vaisnava Tosani commentary on the Srimad Bhagavata, Sanatana Gosvami explains that Sri Krishna went to visit Vraja for two months after the killing of Dantavakra and Salva, and thereafter concluded His Vrindavana pastimes, mounting on a chariot to reach Dvaraka again.
In regards to His age during the Rasa-lila, we find the following in the Krishna-book, chapter 29:
"It appears from the statements of Srimad-Bhagavatam that Krishna had to wait another year for such a moon [saradiya purnima] before enjoying the rasa dance with the gopis. At the age of seven years He lifted Govardhana Hill. Therefore the rasa dance took place during His eighth year."
However, we should understand in this regard that the ages of Sri Sri Radha-Krishna and the gopis do not correspond to the regular growth of people; indeed, reading the Gita-govinda of Jayadeva, it is obvious that the Rasa-dance is not a pastime of eight-year old boys and girls, but rather that of adolescents. Sri Visvanatha Cakravartipada explains in the context of SB 10.45.3:
"The three years and four months that Lord Krishna stayed in Mahavana were the equivalent of five years for an ordinary child, and thus in that period He completed His kaumara stage of childhood. The period from then to the age of six years and eight months, during which He lived in Vrndavana, constitutes His paugaana stage. And the period from the age of six years and eight months through His tenth year, during which time He lived in Nandisvara [Nandagrama], constitutes His kaisora stage. Then, at the age of ten years and seven months, on the eleventh lunar day of the dark fortnight of the month of Caitra, He went to Mathura, and on the fourteenth day thereafter He killed Kamsa. Thus He completed His kaisora period at age ten, and He eternally remains at that age. In other words, we should understand that from this point on the Lord remains forever a kisora."
Sorry don't have access to Jiva's and Vishvanatha's commentaries but still fascinated by question of Radha in Purana. Recently got access to info. Here is ref from Puranic Encyclopedia (more references to Sri Radha than I previously thought):
'RADHA I. Sri. Krsna's dearest consort. Radha is considered to be one of the two forms of Laksmidevi. When Krsna lived in Gokula as a man with two hands Radha was his dearest consort. But when he lives in Vaikuntha as four-handed Visnu, Laksmi is his dearest consort. (Devi Bhagavata 9, 1; Brahmavaivarta Purina, 2, 49 and 56-57 and Adi Parva Chapter 11) .
Different versions about the birth of Radhi are given in the Puranas, as follows :-
(i) She was born in Gokula as daughter of Vrsabhanu and Kalavati. (Brahmavaivarta Purina, 2, 49; 35-42 ; NArada Purana, 2. 81) .
(ii) She was got as Bhumi-kanya (earth-girl) when King Vrsabhinu was preparing the ground to conduct a Yajna. (Padma Purina; Brahma Purina 7).
(iii) She was born from the left side of Krsna. (Brahmavaivarta Purana).
(iv) At the tune of Krsna's birth Visnu asked his attendants to be born on earth. Accordingly Radha, dear consort of Krsna, took her birth in Gokula under the star jyestha in the morning of Suklastami day in Bhadrapada month.. (Adi Parva 11 ).
(v) Krsna once went with Viraja, the Gopi woman, to the hall of enjoyment (rasamandalam). Knowing about it Radha followed them to the hall, but both of them were not to be seen. On another occasion when Radha found Viraja in the company of Krsna and Sudama she, in great anger, insulted Krsna whereupon Sudama cursed her to be born in human womb and experience the pangs of separation from Krsna. (Narada Purana 2. 8; Brahmavaivarta Purina.. 2. 49) and Radha cursed him in turn to be born in the Dahnava dynasty. It was on account of this curse of Radha that Sudama was born as the asura called Sankhacuda. (Brahma Vaivarta Purina, 2. 4. 9. 34) .
(vi) Radha is considered to be one of the five forces which help Visnu in the process of creation. (Devi Bhagavata 9. 1 ; Narada Purana 2. 81) .
(vii) Radha is the mental power of Sri Krsna. (For details see under Pancapranas).
RADHA II. Wife of Adhiratha, the foster-father of Karna and the foster-mother of Karna. (See under Karna).'
A healthy diversity of views, inconcievably one-and-different!
I am not sure if 'Adi Parva' refers to Mahabharata. The book's reference to Krishna would no doubt be equally helpful.
Interesting cross-reference to Pancapranas.
Madhava - Tue, 16 Jul 2002 10:15:58 +0530
QUOTE
A healthy diversity of views, inconcievably one-and-different!
They are generally explained as pastimes which have taken place during different days of Brahma, just as the varying accounts of Varahadeva, Buddhadeva and so forth.
I would tend to believe that in the nitya-lila people remember Her as being born as the daughter of Vrisabhanu and Kirtida from the womb of Kirtida-devi.
This conception follows in the wake of Raghunatha Das Gosvami's Vraja Vilasa Stava (verse 90):
gAndharvAyA jani maNir abhUd yatra saGkIrtitAyAm
AnandotkaraiH sura muni naraiH kIrtidA garbha khamyA,
gopI gopaiH surabhi-nikaraiH saMparIte 'tra mukhye-
rAvalyAkhye vRSa-ravi pure prIti pUro mamAstAm
“May I drown in a flood of love for Ravala, the capital of Maharaja Vrisabhanu, where many cowherdmen and women live, and where the jewel-like Sri Radha appeared from the mine-like womb of Her mother Kirtida, which was blissfully praised by demigods, sages and human beings.”
