Timestamp Converter – Free Online UNIX Time → Date & Time Tool

What is a UNIX timestamp or epoch time?

A UNIX timestamp is a simple number that represents the seconds that have passed since 1 January 1970, 00:00:00 UTC. This starting point is called the UNIX epoch. Instead of storing dates as complex strings like 2025-11-20 02:48:55, computers can store a single integer like 1732606939. That makes time comparisons, sorting, and calculations much faster and easier.

UNIX time is used in almost every environment: web servers, mobile apps, APIs, databases, logging systems, IoT devices, and even blockchains. If you're working with logs, analytics exports, monitoring tools, cron jobs or raw API responses, you will see UNIX timestamps everywhere instead of readable dates. When inspecting API responses, pair this with our JSON Formatter to view the structure clearly.

The downside is that timestamps are not human-friendly. Reading 1732606939 tells you nothing about the actual moment in time. That's exactly why this timestamp converter exists – to quickly turn timestamps into readable dates (and back again) in a single click, with full support for UTC, local time zones and developer integrations.

Key features

• Convert UNIX timestamp (seconds or milliseconds) to readable date and time.
• Convert date and time back to UNIX timestamp in both seconds and milliseconds.
• Live current timestamp clock with seconds, milliseconds, UTC and local readouts.
• Precision converter for seconds, milliseconds, microseconds and nanoseconds.
• Seconds → days/hours/minutes breakdown calculator for durations.
• Timezone converter: convert any timestamp into popular time zones like UTC, Europe, Asia and US.
• Browser timezone detection to show your exact offset from UTC.
• Copy any result to your clipboard with a single click.
• Runs fully in your browser – no data is stored, logged or sent to any server.

How UNIX timestamps work

UNIX time counts the number of seconds that have elapsed since 1970-01-01 00:00:00 UTC, ignoring leap seconds. This makes the clock monotonic and easy to work with in code. The same timestamp means the exact same moment in time on every server and device, no matter which timezone they're in.

A typical 10-digit timestamp such as 1732606939 represents a moment in seconds. A 13-digit value like 1732606939000 represents the same instant measured in milliseconds. Some systems and databases also track microseconds (16 digits) or nanoseconds (19 digits) for high-resolution logging and performance analysis. Encoded values in logs or headers can be decoded with our Base64 Encoder.

Timestamp reference and quick conversions

Time zones and UTC vs local

UNIX timestamps are always based on UTC. Local time is calculated by applying your timezone offset to UTC. That's why the same timestamp can show a different clock time for users in Bangladesh, India, Europe or the United States – but it always represents the same moment in history.

Timestamp examples in popular programming languages

These snippets are frequently searched by developers and make it easy to copy-paste correct timestamp logic into your project. For validating text or input length, try our Character Counter.

// Current UNIX timestamp (seconds)
const nowSeconds = Math.floor(Date.now() / 1000);

// Convert timestamp to Date
const dateFromTs = new Date(1732606939 * 1000);

// Convert Date to UNIX timestamp
const tsFromDate = Math.floor(new Date("2025-11-20").getTime() / 1000);

import time
import datetime

# Current timestamp
now_ts = int(time.time())

# Timestamp to datetime (UTC)
dt_utc = datetime.datetime.utcfromtimestamp(1732606939)

# Date to timestamp
dt = datetime.datetime(2025, 11, 20, 0, 0, 0)
ts = int(dt.timestamp())

// Current timestamp
echo time();

// Timestamp to date
echo date("Y-m-d H:i:s", 1732606939);

// Date to timestamp
echo strtotime("2025-11-20 00:00:00");

-- Timestamp to datetime
SELECT FROM_UNIXTIME(1732606939);

-- Datetime to timestamp
SELECT UNIX_TIMESTAMP('2025-11-20 00:00:00');

-- Timestamp to timestamptz
SELECT to_timestamp(1732606939);

-- Datetime to epoch seconds
SELECT EXTRACT(EPOCH FROM TIMESTAMP '2025-11-20 00:00:00');

// Timestamp to DateTimeOffset
var dto = DateTimeOffset.FromUnixTimeSeconds(1732606939);

// DateTime to timestamp
long ts = ((DateTimeOffset)new DateTime(2025, 11, 20)).ToUnixTimeSeconds();

// Timestamp to time.Time
t := time.Unix(1732606939, 0)

// Time to timestamp
ts := time.Date(2025, 11, 20, 0, 0, 0, 0, time.UTC).Unix()

# Timestamp to date
date -d @1732606939

# Current timestamp
date +%s

Frequently asked questions about timestamps