World Hydrography Day 2024. The world hydrography day is a very important date. Every year, the international hydrographic organisation (iho) celebrates the world hydrography day to raise awareness about hydrography and how it.
On 21 june every year, the international hydrographic organisation (iho) celebrates the world hydrography day to raise awareness about hydrography and how it plays a vital role in. Various activities were conducted to highlight the importance of hydrography for a healthy maritime industry.