# వికీపీడియా:Manual of Style/Dates and numbers

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This page guides the presentation of numbers, dates, times, measurements, currencies, coordinates, and similar material in articles. Its aim is to promote clarity and cohesion; this is especially important within an article. The goal is to make the whole encyclopedia easier and more intuitive to use.

Where this manual provides options, consistency should be maintained within an article unless there is a good reason to do otherwise. The Arbitration Committee has ruled that editors should not change an article from one guideline-defined style to another without a substantial reason unrelated to mere choice of style, and that revert-warring over optional styles is unacceptable.[lower-alpha 1] If discussion cannot determine which style to use in an article, defer to the style used by the first major contributor.

## General notes

### Quotations, titles, etc.

Quotations, titles of books and articles, and similar "imported" text should be faithfully reproduced, even if they employ formats or units inconsistent with these guidelines or with other formats in the same article. If necessary, clarify via [bracketed interpolation], article text, or footnotes.

• It is acceptable to change other date formats in the same article to provide consistency, so long as those changes would otherwise be acceptable.

### Non-breaking spaces

Guidance on the use of non-breaking spaces ("hard spaces") – &nbsp;, {{nbsp}}, &thinsp;, {{thinsp}} – is given in some sections below; {{nowrap}} may also be useful in controlling linebreaks in some situations. Not all situations in which hard spaces or {{nowrap}} may be appropriate are described.