Compare local time against multiple IANA timezones, IATA airport codes, custom site codes, cloud/data-center region aliases, and UTC. This tool runs entirely in your browser with no network requests. Maintenance start/end are interpreted as wall-clock time in the selected BASE timezone.
BASE is always shown first. List is limited to the Americas, Poland, and India. US zones appear first.
Interpreted as local wall-clock time in the selected BASE timezone.
Interpreted as local wall-clock time in the selected BASE timezone.
Default: 21 = 9 PM local time.
Default: 5 = 5 AM local time.
Ticket view always uses 12-hour local time.
Accepted values include IANA timezones like America/New_York, IATA airport codes like DCA, custom site codes like AWVA, and aliases like us-east.
Rows are sorted by UTC ascending. Green cells are inside the configured local off-hours window. Orange-highlighted rows are the best max-overlap score rows.
Finds times in the displayed start/end window where every selected timezone is inside off-hours.
If every site cannot fit inside off-hours at the same time, this finds the best compromise windows.
Paste JSON here to add or override mappings. Format: { "DCA": "America/New_York", "MYDC": "Europe/London" }.