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Added deltaZone in the equation when calculating diff and added utcOffset api method #453

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merged 5 commits into from
Feb 2, 2019
Merged

Added deltaZone in the equation when calculating diff and added utcOffset api method #453

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c9ca021
Added deltaZone in the equation when calculatin diff
naulacambra Jan 15, 2019
e22c4c8
Added utcOffset tests
naulacambra Jan 16, 2019
6c6c1f2
Added 'utcOffset' documentation
naulacambra Jan 16, 2019
e8e3929
Added comment at utcOffset method about the "15 minutes rounding"
naulacambra Jan 16, 2019
b56c77d
Merge branch 'dev' into fix/diff
iamkun Feb 2, 2019
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79 changes: 45 additions & 34 deletions docs/en/API-reference.md
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ The `Dayjs` object is immutable, that is, all API operations that change the `Da
- [Difference `.diff(compared: Dayjs, unit: string (default: 'milliseconds'), float?: boolean)`](#difference-diffcompared-dayjs-unit-string-default-milliseconds-float-boolean)
- [Unix Timestamp (milliseconds) `.valueOf()`](#unix-timestamp-milliseconds-valueof)
- [Unix Timestamp (seconds) `.unix()`](#unix-timestamp-seconds-unix)
- [UTC offset (minutes) `.utcOffset()`](#utc-offset-minutes-utcoffset)
- [Days in the Month `.daysInMonth()`](#days-in-the-month-daysinmonth)
- [As Javascript Date `.toDate()`](#as-javascript-date-todate)
- [As Array `.toArray()`](#as-array-toarray)
Expand Down Expand Up @@ -72,7 +73,7 @@ Day.js also parses other date formats.
#### [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) string

```js
dayjs('2018-04-04T16:00:00.000Z');
dayjs("2018-04-04T16:00:00.000Z");
```

#### Native Javascript Date object
Expand All @@ -99,15 +100,16 @@ dayjs.unix(1318781876.721);
```

### Custom Parse Format
* parse custom formats `dayjs("12-25-1995", "MM-DD-YYYY")` in plugin [`CustomParseFormat`](./Plugin.md#customparseformat)

- parse custom formats `dayjs("12-25-1995", "MM-DD-YYYY")` in plugin [`CustomParseFormat`](./Plugin.md#customparseformat)

### Clone `.clone() | dayjs(original: Dayjs)`

Returns a cloned `Dayjs`.

```js
dayjs().clone();
dayjs(dayjs('2019-01-25')); // passing a Dayjs object to a constructor will also clone it
dayjs(dayjs("2019-01-25")); // passing a Dayjs object to a constructor will also clone it
```

### Validation `.isValid()`
Expand Down Expand Up @@ -189,9 +191,9 @@ dayjs().millisecond();
Returns a `Dayjs` with the applied changes.

```js
dayjs().set('date', 1);
dayjs().set('month', 3); // April
dayjs().set('second', 30);
dayjs().set("date", 1);
dayjs().set("month", 3); // April
dayjs().set("second", 30);
```

#### List of all available units
Expand All @@ -212,41 +214,42 @@ dayjs().set('second', 30);
`Dayjs` objects can be manipulated in many ways.

```js
dayjs('2019-01-25')
.add(1, 'day')
.subtract(1, 'year').toString(); // Fri, 26 Jan 2018 00:00:00 GMT
dayjs("2019-01-25")
.add(1, "day")
.subtract(1, "year")
.toString(); // Fri, 26 Jan 2018 00:00:00 GMT
```

### Add `.add(value: number, unit: string)`

Returns a cloned `Dayjs` with a specified amount of time added.

```js
dayjs().add(7, 'day');
dayjs().add(7, "day");
```

### Subtract `.subtract(value: number, unit: string)`

Returns a cloned `Dayjs` with a specified amount of time subtracted.

```js
dayjs().subtract(7, 'year');
dayjs().subtract(7, "year");
```

### Start of Time `.startOf(unit: string)`

Returns a cloned `Dayjs` set to the start of the specified unit of time.

```js
dayjs().startOf('week');
dayjs().startOf("week");
```

### End of Time `.endOf(unit: string)`

Returns a cloned `Dayjs` set to the end of the specified unit of time.

```js
dayjs().endOf('month');
dayjs().endOf("month");
```

## Displaying
Expand All @@ -259,9 +262,9 @@ To escape characters, wrap them in square or curly brackets (e.g. `[G] {um}`).
```js
dayjs().format(); // current date in ISO6801, without fraction seconds e.g. '2020-04-02T08:02:17-05:00'

dayjs('2019-01-25').format('{YYYY} MM-DDTHH:mm:ssZ[Z]'); // '{2019} 01-25T00:00:00-02:00Z'
dayjs("2019-01-25").format("{YYYY} MM-DDTHH:mm:ssZ[Z]"); // '{2019} 01-25T00:00:00-02:00Z'

dayjs('2019-01-25').format('DD/MM/YYYY'); // '25/01/2019'
dayjs("2019-01-25").format("DD/MM/YYYY"); // '25/01/2019'
```

#### List of all available formats
Expand Down Expand Up @@ -294,83 +297,91 @@ dayjs('2019-01-25').format('DD/MM/YYYY'); // '25/01/2019'
| `A` | AM PM | |
| `a` | am pm | |

* More available formats `Q Do k kk X x ...` in plugin [`AdvancedFormat`](./Plugin.md#advancedformat)
- More available formats `Q Do k kk X x ...` in plugin [`AdvancedFormat`](./Plugin.md#advancedformat)

### Difference `.diff(compared: Dayjs, unit: string (default: 'milliseconds'), float?: boolean)`

Returns a `number` indicating the difference of two `Dayjs`s in the specified unit.

```js
const date1 = dayjs('2019-01-25');
const date2 = dayjs('2018-06-05');
const date1 = dayjs("2019-01-25");
const date2 = dayjs("2018-06-05");
date1.diff(date2); // 20214000000
date1.diff(date2, 'month'); // 7
date1.diff(date2, 'month', true); // 7.645161290322581
date1.diff(date2, 'day'); // 233
date1.diff(date2, "month"); // 7
date1.diff(date2, "month", true); // 7.645161290322581
date1.diff(date2, "day"); // 233
```

### Unix Timestamp (milliseconds) `.valueOf()`

Returns the `number` of milliseconds since the Unix Epoch for the `Dayjs`.

```js
dayjs('2019-01-25').valueOf(); // 1548381600000
dayjs("2019-01-25").valueOf(); // 1548381600000
```

### Unix Timestamp (seconds) `.unix()`

Returns the `number` of seconds since the Unix Epoch for the `Dayjs`.

```js
dayjs('2019-01-25').unix(); // 1548381600
dayjs("2019-01-25").unix(); // 1548381600
```

### UTC Offset (minutes) `.utcOffset()`

Returns the UTC offset in minutes for the `Dayjs`.

```js
dayjs("2013-03-07T07:00:00+08:00").utcOffset(); // 60
```

### Days in the Month `.daysInMonth()`

Returns the `number` of days in the `Dayjs`'s month.

```js
dayjs('2019-01-25').daysInMonth(); // 31
dayjs("2019-01-25").daysInMonth(); // 31
```

### As Javascript Date `.toDate()`

Returns a copy of the native `Date` object parsed from the `Dayjs` object.

```js
dayjs('2019-01-25').toDate();
dayjs("2019-01-25").toDate();
```

### As Array `.toArray()`

Returns an `array` that mirrors the parameters from new Date().

```js
dayjs('2019-01-25').toArray(); // [ 2019, 0, 25, 0, 0, 0, 0 ]
dayjs("2019-01-25").toArray(); // [ 2019, 0, 25, 0, 0, 0, 0 ]
```

### As JSON `.toJSON()`

Returns the `Dayjs` formatted in an ISO8601 `string`.

```js
dayjs('2019-01-25').toJSON(); // '2019-01-25T02:00:00.000Z'
dayjs("2019-01-25").toJSON(); // '2019-01-25T02:00:00.000Z'
```

### As ISO 8601 String `.toISOString()`

Returns the `Dayjs` formatted in an ISO8601 `string`.

```js
dayjs('2019-01-25').toISOString(); // '2019-01-25T02:00:00.000Z'
dayjs("2019-01-25").toISOString(); // '2019-01-25T02:00:00.000Z'
```

### As Object `.toObject()`

Returns an `object` with the date's properties.

```js
dayjs('2019-01-25').toObject();
dayjs("2019-01-25").toObject();
/* { years: 2019,
months: 0,
date: 25,
Expand All @@ -385,7 +396,7 @@ dayjs('2019-01-25').toObject();
Returns a `string` representation of the date.

```js
dayjs('2019-01-25').toString(); // 'Fri, 25 Jan 2019 02:00:00 GMT'
dayjs("2019-01-25").toString(); // 'Fri, 25 Jan 2019 02:00:00 GMT'
```

## Query
Expand All @@ -396,7 +407,7 @@ Returns a `boolean` indicating whether the `Dayjs`'s date is before the other su

```js
dayjs().isBefore(dayjs()); // false
dayjs().isBefore(dayjs(), 'year'); // false
dayjs().isBefore(dayjs(), "year"); // false
```

### Is Same `.isSame(compared: Dayjs, unit?: string)`
Expand All @@ -405,7 +416,7 @@ Returns a `boolean` indicating whether the `Dayjs`'s date is the same as the oth

```js
dayjs().isSame(dayjs()); // true
dayjs().isSame(dayjs(), 'year'); // true
dayjs().isSame(dayjs(), "year"); // true
```

### Is After `.isAfter(compared: Dayjs, unit?: string)`
Expand All @@ -414,7 +425,7 @@ Returns a `boolean` indicating whether the `Dayjs`'s date is after the other sup

```js
dayjs().isAfter(dayjs()); // false
dayjs().isAfter(dayjs(), 'year'); // false
dayjs().isAfter(dayjs(), "year"); // false
```

### Is a Dayjs `.isDayjs(compared: any)`
Expand All @@ -429,7 +440,7 @@ dayjs.isDayjs(new Date()); // false
The operator `instanceof` works equally well:

```js
dayjs() instanceof dayjs // true
dayjs() instanceof dayjs; // true
```

## Plugin APIs
Expand Down
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