This custom DC-40TZ-2 + Julian Time Zone Clock was built as a shopping cart order for Scientific Research Corporation, a conglomerate organization that provides advanced technological information and materials to military operations and a wide range of institutional partners. Orders of this type are typically placed either for internal use by the purchaser or to be delivered to another organization that requires precise, synchronized timekeeping for operational accuracy. In this case, the goal is to provide a clear, reliable display of Eastern Time, Military (Zulu) Time, and the current Julian date for use across global and mission-critical environments.

The DC-40TZ-2 + Julian is designed to deliver continuous, easy-to-read time data in multiple formats. This configuration simultaneously displays Eastern Time and Zulu (Military) Time in either 12-hour or 24-hour format, while also showing the Julian date, which is commonly used in military, aviation, and scientific applications worldwide. This makes the unit ideal for environments where coordination across time zones and standardized date tracking are essential.

Operation begins by powering the enclosure using the included 120–240 VAC wall adapter. Once powered, all configuration and adjustments are performed directly on the unit using the momentary push button switches located on the top of the enclosure. These controls allow the user to precisely set time zones and the Julian date without the need for external software or network connections.

The top-mounted controls provide straightforward, hands-on configuration:

• A 12–24 hour format button for switching display modes
• A “Set Hours” button for the Eastern Time section
• A “Set Minutes” button for Eastern Time
• A dedicated “Set Hours” button for the Zulu (Time Zone 2) section
• “Set Years,” “Increment,” and “Decrement” buttons for configuring the Julian date

To set the Eastern Time hours, the user presses the Set Hours button on the left side of the enclosure. A single press advances the time by one hour, while pressing and holding the button allows the hours to increment continuously. Minutes are adjusted in the same way using the Set Minutes button, with both single-press and press-and-hold functionality available. These same controls allow minutes to be set for both Eastern and Zulu time, depending on how the unit is configured.

The Zulu or Time Zone 2 hours are set independently using the Set Hours button assigned to that section. This allows the unit to display two completely different time zones simultaneously. For example, the display can be configured to show Eastern Time at 6:20 while Zulu (Military) Time is shown as 09:20, providing immediate situational awareness for teams operating across regions.

Julian date configuration is equally intuitive. Pressing and holding the Set Years button displays the current year, which can then be adjusted using the Increment button until the desired year is shown. Once released, the year is saved automatically. The Julian day itself is adjusted using the Increment and Decrement buttons. A single press changes the date one value at a time, while pressing and holding allows the count to advance or decrease continuously. This enables fast, accurate setup regardless of the current date.

From a hardware standpoint, the DC-40TZ-2 + Julian is built for durability and visibility in professional environments. The enclosure is constructed from tough, extruded aluminum and finished with a fingerprint-resistant black powder-coated casing. The unit measures 55 inches wide, 9 inches tall, and 3 inches deep, providing a commanding presence without being intrusive.

Key hardware and display features include:

• Four-inch LED digit size for each time display
• Visibility up to 200 feet
• Four digits per time zone section for Eastern and Zulu time
• Continuous Julian date display
• 12-hour and 24-hour time format capability

Power is supplied via a 120–240 VAC wall adapter with a six-foot power cord, customized for this order. For mounting, this unit was built with seven slotted teardrop mounting tabs located on the back and top of the enclosure. While standard models typically include three mounting tabs, this configuration was specifically requested to provide added flexibility and secure installation options.

Accessories for this order include custom vinyl lettering that clearly identifies each displayed time zone. The labeling can be customized to any time zones the client requires, with this unit specifically configured to display Eastern Time, Zulu (Military) Time, and the Julian date. The vinyl lettering, combined with the top-mounted momentary push button switches, ensures the unit remains both easy to operate and clearly readable in demanding operational settings.

The DC-40TZ-2 + Julian Time Zone Clock is purpose-built for organizations that require precise, dependable, and globally relevant time displays. Whether used internally or deployed to partner institutions, this configuration supports accurate coordination, standardized reporting, and mission-ready awareness across multiple time zones and date formats.

See Product: DC-40TZ-2+Julian

Watch tutorial video on YouTube

See DC-Digital Store

Contact us to ask about our customized products!