World Hydrography Day is an annual United Nations-recognized event that aims to raise awareness of the importance of hydrography, the science of measuring and describing the physical features of the navigable portion of the Earth’s surface and the adjoining coastal areas.
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When is World Hydrography Day
World Hydrography Day is celebrated annually on June 21st
| Year | Date | Day |
|---|---|---|
| 2023 | June 21 | Wednesday |
| 2024 | June 21 | Friday |
| 2025 | June 21 | Saturday |
| 2026 | June 21 | Sunday |
| 2027 | June 21 | Monday |
| 2028 | June 21 | Wednesday |
| 2029 | June 21 | Thursday |
| 2030 | June 21 | Friday |
| 2031 | June 21 | Saturday |
| 2032 | June 21 | Monday |
| 2033 | June 21 | Tuesday |
| 2034 | June 21 | Wednesday |
| 2035 | June 21 | Thursday |
