Vincent's NT Word Studies
30. Four days ago (apo tetarthv hmerav) Lit., from the fourth day; reckoning backward from the day on which he was speaking.I was fasting, and. The best texts omit.
At the ninth hour I prayed (thn ennathn proseucomenov). Lit., praying during the ninth hour. With the omission of I was fasting, and, the rendering is as Rev., Four days ago, until this hour, I was keeping the ninth hour of prayer. 17
Robertson's NT Word Studies
10:30 {Four days ago} (apo tetartes hemeras). From the fourth day, reckoning backwards from this day. {I was keeping the ninth hour of prayer} (emen ten enaten proseucomenos). Periphrastic middle imperfect and accusative of extension of time (all the ninth hour).