Date & Time
Time is where most off-by-one bugs live: seconds versus milliseconds, UTC versus local, and cron fields that do not mean what they look like. These tools make the ambiguous parts explicit — always showing you both the UTC and local reading of a value, and spelling out in plain English when a schedule will actually fire.
7 tools in this category.
Cron Expression Generator Build a cron expression from plain controls and preview the next run times. Cron Expression Parser Explain any cron expression in plain English and list its upcoming run times. Current Unix Timestamp The live Unix timestamp right now, in seconds and milliseconds, ready to copy. Date Difference Calculator Measure the span between two dates in years, months, weeks, days, hours and seconds. ISO Date Converter Parse and build ISO 8601 / RFC 3339 dates and convert between common formats. Timezone Converter Compare one moment across multiple timezones, with DST handled correctly. Unix Timestamp Converter Convert Unix timestamps to human dates and back, in seconds or milliseconds, UTC and local.