How is noon (EST) of the 16th day of the month expressed in communication terms?

In communication terms, especially in the context of radio operations and timekeeping, noon (12:00 PM) on the 16th day of the month is expressed as the day followed by the time in UTC format. In this scenario, "16" represents the 16th day of the month.

When expressing time, it is important to note that the hour must be given in a two-digit format. Noon in 24-hour time is represented as "1200," meaning 12:00 PM.

The letter "E" refers to the Eastern Standard Time zone, which is used to identify the geographical location of the communication. Therefore, correctly combining these components results in "161200 E."

Thus, this notation clearly indicates it is the 16th day of the month at noon, demonstrating proper format and clarity in communication protocols used within the field. The other options do not accurately reflect the correct day and time format, involving either incorrect day numbers or hour indicators that do not correspond to noon.