2025 Calendar | Tidal Waves | A4

Ocean flows, sunsets and nautical vibes, this 2025 A4 wall calendar is a great fit for minimalist and ocean lovers.

This line art-inspired ocean calendar features minimalist line drawings of ocean flows and sunsets.

Each monthly calendar page has a dated grid from Monday to Sunday, with space to jot down your appointments, events or birthdays. It also includes week numbers, moon phases, UK & US holidays, and notable dates.

The compact A4 size means it seamlessly fits above your desk or neatly in your kitchen or dorm room.

Choose between a Monday or Sunday start to the week.

Optional: add a pack of Corner Stickers to level up your planning in 2025.

As always, designed and printed in the UK on 100% recycled paper.

See the full tidal waves collection here!

Product Details:

• A4: 21 × 29.7 cm // 8.3 × 11.7 inches
• Box Size: 2.9 x 3.4 cm // 1.14 x 1.34 inches
• 160gsm matte paper (easy to write on and doesn’t bleed), with 300gsm covers
• 12 Months: January - December 2025
• Week Starts Monday
• Ring-bound with a hand to hang on a hook
• 100% recycled and recyclable paper
• Posted in Plastic-free packaging
• Includes week numbers, UK & US holidays, and moon phases (Northern Hemisphere)

UNITED KINGDOM
UK Orders Over £10.00: Free Tracked delivery (Royal Mail 48h Tracked)
UK Orders Under £10.00: £1.99 Tracked delivery (Royal Mail 48h Tracked)
Express UK delivery: £4.50 (Royal Mail 24h Tracked)

EUROPE
Royal Mail International Standard (untracked): £5.00
Royal Mail aims to deliver in 3-5 working days. Although this may be longer.
Please note, some countries will charge extra fees when importing. For example, orders to NL over EU22 will have a customs clearance fee.

REST OF THE WORLD
Royal Mail International Standard (untracked): £8.00
Royal Mail aims to deliver in 6-7 working days. Although this may be longer.

DELIVERIES
We use Royal Mail for all deliveries.
We'll post your parcel within 3 working days of ordering.
We don’t ship on UK bank holidays as our postal service doesn’t run.
See all bank holidays here.

Your parcel will arrive plastic-free with minimal packaging and inserts. We run a plastic-free warehouse.

Here’s a few more ways we work towards sustainability goals:

• All products are made in the U.K.
• Printed on 100% Recycled Paper, always
• All Deliveries are Carbon offset through Shopify Planet

Once Upon a Tuesday is UK’s first Certified B Corporation Stationery Brand - using business as a force for good.