anachronism (n.)

anything occurring or existing out of its proper time

annals (n.)

a record of events in their chronological order, year by year

antediluvian (adj.)

of or pertaining to the times, things, events before the great flood in the days of Noah

antemundane (adj).

pertaining to time before the world's creation

antemeridian (adj.)

before noon

coincident (adj.)

taking place at the same time

contemporaneous (adj.)

living, occurring, or existing at the same time

defer (v.)

to delay or put off to some other time

epoch (n.)

an interval of time, memorable for extraordinary events

immortalize (v.)

to cause to last or to be known or remembered throughout a great or indefinite length of time

incongruous (adj.)

unsuitable for the time, place, or occasion

inception (n.)

the beginning

inopportune (adj.)

unsuitable or inconvenient, especially as to time.

interim (n.)

time between acts or periods

isochronous (adj.)

relating to or denoting equal intervals of time

matinee (n.)

an entertainment (especially theatrical) held in the daytime

pluperfect (adj.)

expressing past time or action prior to some other past time or action

primitive (adj.)

pertaining to the beginning or early times

punctual (adj.)

observant and exact in points of time

recurrent (adj.)

returning from time to time, especially at regular or stated intervals