When the northern hemisphere is tilted towards the sun, the UK experiences summer. This is because the UK is located in the northern hemisphere, so when the northern hemisphere is tilted towards the sun, the UK receives more direct sunlight. This results in longer days and warmer weather.

Australia:

When the northern hemisphere is tilted towards the sun, Australia experiences winter. This is because Australia is located in the southern hemisphere, so when the northern hemisphere is tilted towards the sun, Australia receives less direct sunlight. This results in shorter days and cooler weather.