equinoctial year

In this context Tilak also pointed to the fact that because of RV 1.161.13 not the solar year but the anticlockwise movement of the precession of the equinoxes must be meant which he calls an "equinoctial year", but he didn't refer to this in his further interpretation.

The 52/293 leap cycle has a calendar mean year of 365+/ days, or 365 days 5 hours 48 minutes and about 56.5 seconds, which is intentionally slightly shorter than the present era mean northward equinoctial year of 365 days 5 hours 49 minutes and 0 seconds (mean solar time).