What is the difference between Until and Till?

The first difference between 'till' and 'until' that I will be picking out here is that; till is usually used in an informal way, while until it is proper to be used in formal conversations or writing. For example, a guy speaking to his girlfriend could say 'the shop is opened till 7 pm' to let her know the range of time within which they can go for shopping. However, an organization could paste it in the form of an advert that 'the stock is available until 3rd December'.

Another difference is noticed is that until it can be used to start a sentence, while 'till' would most likely sound odd. For example, 'until you see your father returns from work, do not go outside,' which actually sounds better and depicts the right meaning than saying 'till you see your father returns from work, do not go outside.' Until it is usually used to denote an event being dependent on another, while 'till' normally depicts the extent to which something is done or occurs.

There is no much difference between till and until. When you check their real meaning in the dictionary, you would see there is no real difference between them. Both till and until are used as conjunctions. And a conjunction helps in joining two words or sentences together. Both till and until mean: ''up to the time that a condition becomes true''. For example: we have decided not to go anywhere until the president comes, or, we won't supply you the necessary information till you make the payment.

The two examples above are how both till and until can act as conjunctions. They are also used as prepositions. Prepositions are words which are mostly used with nouns or pronouns in an adverbial or adjectival sense. The seemingly difference between till and until is that, till is considered to be often used in informal writings and conversations as against 'until' which is often used in formal writings.