22:35:16

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 seconds

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 seconds

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
}

import java.time.Instant;

Instant now = Instant.now();            // always UTC
System.out.println(now);                // 2026-01-01T12:00:00Z
System.out.println(now.getEpochSecond());

var now = DateTimeOffset.UtcNow;
Console.WriteLine(now.ToString("o"));            // ISO 8601 round-trip
Console.WriteLine(now.ToUnixTimeSeconds());
Console.WriteLine(now.ToUnixTimeMilliseconds());

// 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 seconds

<?php
$now = new DateTimeImmutable('now', new DateTimeZone('UTC'));
echo $now->format(DATE_ATOM), PHP_EOL;   // 2026-01-01T12:00:00+00:00
echo time(), PHP_EOL;                    // unix seconds

require 'time'

now = Time.now.utc
puts now.iso8601      # 2026-01-01T12:00:00Z
puts now.to_i         # unix seconds

SELECT now() AT TIME ZONE 'UTC'      AS utc_now,
       to_char(now() AT TIME ZONE 'UTC',
               'YYYY-MM-DD"T"HH24:MI:SS"Z"') AS iso8601,
       extract(epoch FROM now())::bigint      AS unix_seconds;

SELECT UTC_TIMESTAMP()                        AS utc_now,
       DATE_FORMAT(UTC_TIMESTAMP(),
                   '%Y-%m-%dT%H:%i:%sZ')      AS iso8601,
       UNIX_TIMESTAMP()                       AS unix_seconds;

date -u +"%Y-%m-%dT%H:%M:%SZ"   # ISO 8601 UTC
date -u +%s                      # unix seconds
date -u --iso-8601=seconds       # GNU coreutils

(Get-Date).ToUniversalTime().ToString('o')      # ISO 8601
[DateTimeOffset]::UtcNow.ToUnixTimeSeconds()    # unix seconds
[DateTimeOffset]::UtcNow.ToUnixTimeMilliseconds()

import Foundation

let now = Date()
let iso = ISO8601DateFormatter().string(from: now)
print(iso)                                  // 2026-01-01T12:00:00Z
print(Int(now.timeIntervalSince1970))       // unix seconds

import java.time.Instant

val now = Instant.now()          // always UTC
println(now)                     // 2026-01-01T12:00:00Z
println(now.epochSecond)