The empirical time, calculated on the basis of the solar motion in Samayakṣetra (region of empirical time), e.g. the time-units, such as Samaya (smallest time-unit), Āvalikā (16777216 Āvalikās=48 minutes) etc...
Sūrakiriyāvisiṭṭho godoliāikiriyāsu niravekkho. addhākālo bhannai samayakkhettaṃmi samayāi...
(Sthā 4.134 Vṛ Pa 190)
addhākāle - se ṇaṃ samayaṭṭhayāe āvaliyaṭṭhayāe jāva ussappiṇīṭṭhayāe.
(Bhaga 11.128)