Manasara 6.30

6.30

siṃhasya cādidaśake dvyaṅgulaṃ ca parityajet
madhye daśadine caikavāntyapaṅktau vināṅgulam

in the first ten days of Leo, he should discard two digits; / in the middle ten days, one; and in the final ten-day period, without any digits;