Unix timestamp 1704066900
Sunday, 31 December 2023 at 23:55:00 UTC
2 years ago
Sunday
ISO week 52
day 365 of 2023
in the past
A permanent, shareable page for one instant. Paste the URL into a ticket or a chat and the other person sees the same instant rendered in UTC, their own timezone and every common format, with no "which timezone was that in" round trip.
Every format of this instant
| Format | Value | Copy |
|---|---|---|
ISO 8601 The default for APIs and logs |
2023-12-31T23:55:00Z | |
ISO 8601 with milliseconds Sub-second precision, still ISO 8601 |
2023-12-31T23:55:00.000Z | |
RFC 3339 ISO 8601 profile used by JSON APIs; +00:00 instead of Z |
2023-12-31T23:55:00+00:00 | |
RFC 2822 Email Date: header |
Sun, 31 Dec 2023 23:55:00 +0000 | |
RFC 1123 / HTTP date HTTP Date:, Expires:, Last-Modified: |
Sun, 31 Dec 2023 23:55:00 GMT | |
RFC 850 Legacy HTTP/1.0 date, two-digit year |
Sunday, 31-Dec-23 23:55:00 GMT | |
Unix timestamp (seconds) Seconds since 1970-01-01T00:00:00Z |
1704066900 | |
Unix timestamp (milliseconds) JavaScript Date.now() |
1704066900000 | |
ATOM / W3C-DTF Atom and RSS feeds, W3C date-time |
2023-12-31T23:55:00+00:00 | |
Date (YYYY-MM-DD) Calendar date only |
2023-12-31 | |
Time (24-hour) Clock time only |
23:55:00 | |
Time (12-hour) Clock time with AM/PM |
11:55:00 PM | |
ISO 8601 basic No separators; filenames and IDs |
20231231T235500Z | |
ISO week date Year-week-weekday |
2023-W52-7 | |
Human readable For prose and UI |
Sunday, 31 December 2023 at 23:55:00 UTC |
This instant around the world
UTC
23:55
New York
18:55
London
23:55
Tokyo
08:55
Kolkata
05:25
In your own timezone: enable JavaScript to see this
Produce this value in code
Python
from datetime import datetime, timezone
now = datetime.now(timezone.utc)
print(now.isoformat()) # 2026-01-01T12:00:00+00:00
print(int(now.timestamp())) # unix secondsJavaScript
const now = new Date();
console.log(now.toISOString()); // 2026-01-01T12:00:00.000Z
console.log(Date.now()); // unix milliseconds
console.log(Math.floor(Date.now() / 1000)); // unix secondsGo
package main
import (
"fmt"
"time"
)
func main() {
now := time.Now().UTC()
fmt.Println(now.Format(time.RFC3339)) // 2026-01-01T12:00:00Z
fmt.Println(now.Unix()) // unix seconds
}Java
import java.time.Instant;
Instant now = Instant.now(); // always UTC
System.out.println(now); // 2026-01-01T12:00:00Z
System.out.println(now.getEpochSecond());C#
var now = DateTimeOffset.UtcNow;
Console.WriteLine(now.ToString("o")); // ISO 8601 round-trip
Console.WriteLine(now.ToUnixTimeSeconds());
Console.WriteLine(now.ToUnixTimeMilliseconds());Rust
// chrono = "0.4"
use chrono::Utc;
let now = Utc::now();
println!("{}", now.to_rfc3339()); // 2026-01-01T12:00:00+00:00
println!("{}", now.timestamp()); // unix secondsAbout this timestamp
What date is timestamp 1704066900?
Sunday, 31 December 2023 at 23:55:00 UTC. In ISO 8601 that is 2023-12-31T23:55:00Z, and in milliseconds it is 1704066900000.
How long ago was 1704066900?
2 years ago, measured against the current UTC time when this page was rendered. It fell on a Sunday, in ISO week 52 of 2023, day 365 of the year.
How do I produce this value in code?
In Python, int(datetime(*, tzinfo=timezone.utc).timestamp()) gives 1704066900; in JavaScript, Date.parse('2023-12-31T23:55:00Z') gives 1704066900000 because JavaScript works in milliseconds. The snippets below cover the rest.