Aeon of miseries-cum-hapiness- That part (spoke) of the time-wheel, during which there prevails partly miseries, partly happiness;
it is the fourth aeon of Avasarpiṇī (descending half of the time-wheel) and the third aeon of the Utsarpiṇī (ascending half of the time-wheel). Its duration is lxcrorexcrore Sāgaropama minus 21,000 years.
(Sthā 131)
egā sāgarokamakoḍākoḍi bāyālīsāe.
vāsasahassehiṃ ūṇiyā kālo dilsamasusamā..
(Bhaga 6.134)