(approximate) time; around; suitable time (or condition); time of year; season
at that time; in those days; at that moment; then
as a child; when one was a child; childhood
when one was a very young child; very early in one's life
as a child; when one was a child
these days; nowadays; now; at present; recently; lately
suitable time; good time; propriety; moderation
one's youth; early life; one's early days; one's early years
approximate age; age range
in the early period (of something); at the beginning
one's younger days; when one was young
at some point in the past; at some stage
in those days; at the time; then
natural disasters happen when you've forgotten about the previous ones
a good time to view the Moon (i.e. when it is full)