Ancient Jewish texts associate prayer with recurring times of day. Morning and evening had particular religious importance, and prayer could also be connected with the rhythms of Temple worship.
Evidence for regular prayer does not mean that every first-century Jew followed exactly the same schedule or used the same wording. Jewish liturgical practice continued to develop over time.
Biblical passages refer to prayer at different times of day, and Temple sacrifices followed a regular daily rhythm. During the Second Temple period these patterns helped provide a framework for Jewish devotion.
Regular prayer gave structure to the day. A person could pause from work or household activity to remember God, give thanks, or make a request. Other prayers arose spontaneously from immediate circumstances.
Archaeology provides settings for prayer but cannot normally establish the precise hour at which individuals prayed. Temple and synagogue remains nevertheless help reconstruct the physical world of communal devotion.
Scripture, Second Temple Jewish writings, the New Testament, and later traditions refer to prayer at recurring times. Later liturgical schedules should not simply be projected unchanged into the early first century.
Psalm 55:17 speaks of evening, morning, and noon, while Daniel 6:10 describes Daniel praying three times a day. The daily Temple offerings also created recurring sacred rhythms.
The Gospels frequently describe Jesus praying at significant moments and sometimes withdrawing early or spending extended periods in prayer. Acts also preserves references to recognized hours of prayer.
Regular times of prayer existed within Jewish tradition, and prayer was connected with the recurring rhythm of religious life.
We should not assume that a single later rabbinic schedule was already universally observed in precisely the same form during Jesus' ministry.
This background helps explain biblical references to hours of prayer while preserving the distinction between first-century evidence and later standardized liturgy.