# 设置时间范围

* [DateEquals](https://iam.cloudcopilot.io/resources/operators/DateEquals)
* [DateEqualsIfExists](https://iam.cloudcopilot.io/resources/operators/DateEqualsIfExists)
* [DateGreaterThan](https://iam.cloudcopilot.io/resources/operators/DateGreaterThan)
* [DateGreaterThanIfExists](https://iam.cloudcopilot.io/resources/operators/DateGreaterThanIfExists)
* [DateGreaterThanEquals](https://iam.cloudcopilot.io/resources/operators/DateGreaterThanEquals)
* [DateGreaterThanEqualsIfExists](https://iam.cloudcopilot.io/resources/operators/DateGreaterThanEqualsIfExists)
* [DateLessThan](https://iam.cloudcopilot.io/resources/operators/DateLessThan)
* [DateLessThanIfExists](https://iam.cloudcopilot.io/resources/operators/DateLessThanIfExists)
* [DateLessThanEquals](https://iam.cloudcopilot.io/resources/operators/DateLessThanEquals)
* [DateLessThanEqualsIfExists](https://iam.cloudcopilot.io/resources/operators/DateLessThanEqualsIfExists)
* [DateNotEquals](https://iam.cloudcopilot.io/resources/operators/DateNotEquals)
* [DateNotEqualsIfExists](https://iam.cloudcopilot.io/resources/operators/DateNotEqualsIfExists)

### DateLessThan

`DateLessThan` compares a datetime in a request to a datetime in your policy. Datetime comparisons compare down to the second; so any value one second before the date in your policy will match the DateLessThan condition.

To match a request, the context key must exist in the request and must match the datetime in your policy.

You can NOT use policy variables in the value of this operator.

\
DateLessThan in an Allow Statement

<table data-header-hidden><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td>Policy Condition</td><td>Request Context</td><td>Result</td></tr><tr><td><pre data-overflow="wrap"><code>"DateLessThan": {
  "aws:CurrentTime": "2011-05-03T00:00:00Z"
}
</code></pre></td><td><code>aws:CurrentTime: null</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Allowed"> Not AllowedStatement does not apply</td></tr><tr><td><pre data-overflow="wrap"><code>"DateLessThan": {
  "aws:CurrentTime": "2011-05-03T00:00:00Z"
}
</code></pre></td><td><code>aws:CurrentTime: 2011-05-02T23:59:59Z</code></td><td><img src="https://iam.cloudcopilot.io/_astro/allow.BKwnWDMp_Z2m9B7U.svg" alt="Allowed"> AllowedAssuming no explicit Deny elsewhere</td></tr><tr><td><pre><code>"DateLessThan": {
  "aws:CurrentTime": "2011-05-03T00:00:00Z"
}
</code></pre></td><td><code>aws:CurrentTime: 2011-05-03T00:00:00Z</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Allowed"> Not AllowedStatement does not apply</td></tr><tr><td><pre><code>"DateLessThan": {
  "aws:CurrentTime": "2011-05-03T00:00:00Z"
}
</code></pre></td><td><code>aws:CurrentTime: 2011-05-03T00:00:01Z</code></td><td><img src="https://iam.cloudcopilot.io/_astro/unknown.4jslFilM_ZFyvUV.svg" alt="Not Allowed"> Not AllowedStatement does not apply</td></tr></tbody></table>


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