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LMT Calculator

Formula

The formula to calculate the Local Mean Time (LMT) is:

$\text{LMT} = \text{GMT} + \text{ZD}$

Where:

$\text{LMT}$ is the Local Mean Time
$\text{GMT}$ is the Greenwich Mean Time
$\text{ZD}$ is the zone description

What is Local Mean Time (LMT)?

Local Mean Time (LMT) is the time at a specific location, calculated by adding the zone description (ZD) to the Greenwich Mean Time (GMT). It accounts for the time difference between the location and the prime meridian (0° longitude).

Example Calculation 1

Let's assume the following values:

Greenwich Mean Time (GMT) = 12:00
Zone Description (ZD) = +3

Using the formula:

$\text{LMT} = 12:00 + 3 = 15:00$

The Local Mean Time (LMT) is 15:00.

Example Calculation 2

Let's assume the following values:

Greenwich Mean Time (GMT) = 18:00
Zone Description (ZD) = -5

Using the formula:

$\text{LMT} = 18:00 - 5 = 13:00$

The Local Mean Time (LMT) is 13:00.