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denoland-deno/datetime/README.md
2019-05-31 08:39:05 -04:00

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# datetime
Simple helper to help parse date strings into `Date`, with additional functions.
## Usage
### parseDate / parseDateTime
- `parseDate()` - Take an input string and a format to parse the date. Supported formats are exported in `DateFormat`.
- `parseDateTime()` - Take an input string and a format to parse the dateTime. Supported formats are exported in `DateTimeFormat`.
```ts
import { parseDate, parseDateTime } from 'https://deno.land/std/datetime/mod.ts'
parseDate("03-01-2019", "dd-mm-yyyy") // output : new Date(2019, 1, 3)
parseDate("2019-01-03", "yyyy-mm-dd") // output : new Date(2019, 1, 3)
...
parseDateTime("01-03-2019 16:34", "mm-dd-yyyy hh:mm") // output : new Date(2019, 1, 3, 16, 34)
parseDateTime("16:34 01-03-2019", "hh:mm mm-dd-yyyy") // output : new Date(2019, 1, 3, 16, 34)
...
```
### dayOfYear / currentDayOfYear
- `dayOfYear()` - Returns the number of the day in the year.
- `currentDayOfYear()` - Returns the number of the current day in the year.
```ts
import {
dayOfYear,
currentDayOfYear
} from "https://deno.land/std/datetime/mod.ts";
dayOfYear(new Date("2019-03-11T03:24:00")); // output: 70
currentDayOfYear(); // output: ** depends on when you run it :) **
```