What time; which time.
At which, on which, during which: often omitted or replaced with that.
A circumstance or situation in which.
The time at, on or during which.
At what time? At which time? Upon which occasion or circumstance? Used to introduce direct or indirect questions about time.
At an earlier time and under different, usually less favorable, circumstances.
At (or as soon as) that time that; at the (or any and every) time that; if.
At what time; at which time.
During the time that; at the time of the action of the following clause or participle phrase.
Since; given the fact that; considering that.
Whereas; although; at the same time as; in spite of the fact that.
The time at which something happens.
That's enough: a command asking someone to stop adding something, especially an ingredient or portion of food or drink; used in, or as if in, literal response to 'Say when'.