I read an experience letter which said

"So and so" person has worked from "date1" till "date2".

Is it okay? Or should it be like this?

"So and so" person has worked from "date1" to "date2".


Either construction is fine.

In my mind using to is preferable, but until or till are acceptable alternatives.

There are examples in literature:

God has worked from those beginnings until now
she has worked from ten o'clock at night until noon the next day
He has worked from four in the morning until late at night
has worked from 6 till now

Till and until are synonyms in this context. They mean "up to a specific point in time" (see: ODO). I would say that they are more likely to be found with simple (clock) times, rather than dates, but are not incorrect to use with dates.


I would say that you can use both, but that in some cases there can be a very slight difference in meanings regarding whether date2 is included or not. I don't have any evidence to base this on and it may be my background as a programmer that makes me say this, but I would say that for the first example ("date1 until date2"), especially if there is an emphasis on the "until", it sounds as though something happened on date2 to exclude it from the interval, whereas it's included in the second example ("date1 to date2", i.e. "date1 up to and including date2").

Being Australian, I would consider "till" to be rather informal, but I believe that in American English it is perfectly acceptable as an alternative spelling to "until".

  • +1. Your instinct is right. You should find and include some references, as well. – Kris Apr 20 '12 at 18:53

I regard "from....till" as a function of time whereas "from....to" as a function of space.

  • Can you offer any links or sources to support this usage as something standard, or is it just your personal usage? – Rand al'Thor Dec 20 '20 at 10:26
  • M-W: 'from dawn to/until dusk (idiom)' //// And from McGraw-Hill Dictionary of American Idioms and Phrasal Verbs: 'from dawn to dusk Fig. during the period of the day when there is light; from the rising of the sun to the setting of the sun. I have to work from dawn to dusk on the farm. / The factory runs from dawn to dusk to produce hats and gloves. – Edwin Ashworth Dec 20 '20 at 16:40

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