Definition of against the sun in English:

against the sun

phrase

Nautical
  • Against the direction of the sun's apparent movement (in the northern hemisphere); from right to left or anticlockwise:

    ‘the westerly winds that blow against the sun are aggressive’
    • ‘Accordingly, most sail-ships carry a secondary propulsion system (such as thrusters or an ion engine) for emergency maneuvering and sailing against the sun.’
    • ‘It's also worth noting that it's more difficult on the body to travel against the sun, or west to east, than it is to go east to west.’
    • ‘Kim and I have journeyed against the sun, from California to New York; we gave up a life in Silicon Valley to become innkeepers in Greenville New York.’