EpochDays

Unix Timestamp 663811200

Mon, 14 Jan 1991 00:00:00 GMT

Timestamp Details

UTC Date/Time
Mon, 14 Jan 1991 00:00:00 GMT
ISO 8601
1991-01-14T00:00:00.000Z
Days Since Epoch
7,683
Day of Week
Monday
ISO Week Number
Week 3
Year 2038 Status
Before Y2038 cutover

Code Examples

Python

import datetime
ts = 663811200
dt = datetime.datetime.utcfromtimestamp(ts)
print(dt)  # 1991-01-14 00:00:00

JavaScript

const ts = 663811200;
const date = new Date(ts * 1000);
console.log(date.toISOString());
// 1991-01-14T00:00:00.000Z

Java

import java.time.Instant;
import java.time.ZoneOffset;

long ts = 663811200L;
Instant instant = Instant.ofEpochSecond(ts);
System.out.println(instant);
// 1991-01-14T00:00:00.000Z

Converter

Tip: the URL updates as you type — copy it to share a pre-filled input (`?d=` or `?ts=`).
Start of Day (Unix Timestamp)
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Human Date (UTC)
---
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Days From Epoch (Floored)
7683
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Human Date (Local)
1/14/1991, 12:00:00 AM
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