Kurma Purana · Chapter 1.5

iti śrīkūrmapurāṇe ṣaṭsāhastryāṃ saṃhitāyāṃ pūrvaṃvibhāge caturtho 'dhyāyaḥ
śrīkūrma uvāca
svayaṃbhuvo vivṛttasya kālasaṃkhyā dvijottamāḥ /
na śakyate samākhyātuṃ bahuvarṣairapi svayam

kālasaṃkhyā samāsena parārdhadvayakalpitā /
sa eva syāt paraḥ kālaḥ tadante pratisṛjyate

nijena tasya mānena āyurvarṣaśataṃ smṛtam /
tat parākhyaṃ tadardhaṃ ca parārdhamabhidīyate

kāṣṭhā pañcadaśa khyātā nimeṣā dvijasattamāḥ /
kāṣṭhāstriṃśat kalā triṃśat kalā mauhūrtikī gatiḥ

tāvatsaṃkhyairahorātraṃ muhūrtairmānuṣaṃ smṛtam /
ahorātrāṇi tāvanti māsaḥ pakṣadvayātmakaḥ

taiḥ ṣaḍbhirayanaṃ varṣaṃ dve 'yane dakṣiṇottare /
ayanaṃ dakṣiṇaṃ rātrirdevānāmuttaraṃ dinam

divyairvarṣasahastraistu kṛtatretādisaṃjñitam /
caturyugaṃ dvādaśabhiḥ tadvibhāgaṃ nibodhata

catvāryāhuḥ sahastrāṇi varṣāṇāṃ tatkṛtaṃ yugam /
tasya tāvacchatī sandhyā sandhyāṃśaśca kṛtasya tu

triśatī dviśatī sandhyā tathā caikaśatī kramāt /
aṃśakaṃ ṣaṭśataṃ tasmāt kṛsandhyāṃśakaṃ vinā

tridvyekasāhastramato vinā sandhyāṃśakena tu /
tretādvāparatiṣyāṇāṃ kālajñāne prakīrtitam

etad dvādaśasāhastraṃ sādhikaṃ parikalpitam /
tadekasaptatiguṇaṃ manorantaramucyate

brahmaṇo divase viprā manavaḥ syuścaturdaśa /
svāyaṃbhuvādayaḥ sarve tataḥ sāvarṇikādayaḥ

tairiyaṃ pṛthivī sarvā saptadvīpā saparvatā /
pūrṇaṃ yugasahastraṃ vai paripālyā nareśvaraiḥ

manvantareṇa caikena sarvāṇyevāntarāṇi vai /
vyākhyātāni na saṃdehaḥ kalpaṃ kalpena caiva hi

brāhmamekamahaḥ kalpastāvatī rātririṣyate /
caturyugasahastraṃ tu kalpamāhurmanīṣiṇaḥ

trīṇi kalpaśatāni syuḥ tathā ṣaṣṭirdvijottamāḥ /
brahmaṇaḥ kathitaṃ varṣaṃ parākhyaṃ tacchataṃ viduḥ

tasyānte sarvatattvānāṃ svahetau prakṛtau layaḥ /
tenāyaṃ procyate sadbhiḥ prākṛtaḥ pratisaṃcaraḥ

brahmanārāyaṇeśānāṃ trayāṇāṃ prakṛtau layaḥ /
procyate kālayogena punareva ca saṃbhavaḥ

evaṃ brahmā ca bhūtāni vāsudevo 'pi śaṅkaraḥ /
kālenaiva tu sṛjyante sa eva grasate punaḥ

anādireṣa bhagavān kālo 'nanto 'jaro 'maraḥ /
sarvagatvāt svatantratvāt sarvātmāsau maheśvaraḥ

brahmāṇo bahavo rudrā hyanye nārāyaṇādayaḥ /
eko hi bhagavānīśaḥ kālaḥ kaviriti śruti

ekamatra vyatītaṃ tu parārdhaṃ brahmaṇo dvijāḥ /
sāṃprataṃ vartate tadvat tasya kalpo 'yamaṣṭamaḥ

yo 'tītaḥ saptamaḥ kalpaḥ pādma ityucyate budhaiḥ /
vārāho vartate kalpaḥ tasya vakṣyāmi vistaram