STALOGY 365Days Notebook: A5, 368 Thin Pages

Drawing of the STALOGY 365Days A5 notebook to scale: closed in a black soft cover, 210 × 148 mm with 368 pages, and opened flat on white grid pages with faint date and hour marks — The A5 365Days, closed and opened to its grid pages (1 mm = 1 px).

Product facts

Product: STALOGY Editor's Series 365Days Notebook, A5, 368 pages
Brand: STALOGY
Brand origin: Japan
Made in: Japan^*
Material: 52 g/m² white paper (per retailers); paper cover with cloth (Amazon Japan)
Price range: $$$$20–75 per notebook

Notes on these facts

Made by Nitoms, Inc. (ニトムズ). Made in Japan: Amazon Japan's listing for S4101 gives 原産国 (country of origin) 日本 (Japan), and Galen Leather lists Japan for its grid, dot grid and blank A5s. STALOGY's About page says Nitoms, a Japanese Nitto group company, develops, manufactures and sells the line; STALOGY's product pages don't name a country. Source.
Price bands are typical US retail, checked October 2026. Conversions to US dollars are approximate, at October 2026 rates (US$1 = ¥158 = ₩1,330 = NT$32.5 = CN¥6.7 = SEK 9.9 = DKK 6.7 = ₺49.6 = C$1.41 = A$1.43; €1 = US$1.12; £1 = US$1.32; CHF 1 = US$1.21).

Key takeaways

The A5 measures 148 × 210 mm (5.8 × 8.3 in) and has 368 pages, enough for one page a day for a full year.
Paper is 52 g/m² white, per retailer listings; reviewers compare it to Tomoe River, also sold at 52 g/m².
STALOGY's Japanese site lists the A5 in 4 cover colors (S4101 black, S4105 red, S4106 blue, S4107 yellow) with a 4 mm grid, plus a 7 mm lined A5 (SS1012).
Amazon Japan lists Japan as the country of origin; STALOGY says Nitoms develops, makes and sells the line.
Besides A5 (320 g), STALOGY sells the 365Days in B5 (470 g), B6 (235 g) and A6 (177 g), all with 184 sheets.

What is the STALOGY 365Days notebook?

The STALOGY Editor’s Series 365Days is a thick, soft-cover Japanese notebook with enough thin pages to write one page a day for a year. STALOGY says it was designed around the way editors (編集者) work, hence the series name. Each page carries faint date numbers and hour marks, so it can serve as a diary, but the marks are light enough to ignore.

Reviewers often describe it as a plainer alternative to the Hobonichi Techo. One reviewer called it a good substitute for the larger Hobonichi Cousin if you want less structure.

STALOGY 365Days A5 specs

Spec	STALOGY 365Days A5
Size	148 × 210 mm (5.8 × 8.3 in)
Pages	368 (184 sheets)
Paper	52 g/m², white
Layouts	4 mm grid (STALOGY); 7 mm lined A5, SS1012 (STALOGY); dot grid and blank (Galen Leather)
Cover colors	Black, red, blue, yellow (S4101, S4105, S4106, S4107)
Page marks	Faint month, date and weekday marks; hours 0–24 down the side
Thickness	14 mm (0.55 in), per Amazon Japan
Weight	320 g (11.3 oz), per STALOGY
List price (Japan)	¥2,937 (about US$19) with tax
Other sizes	B5, B6, A6 (see below)
Made in	Japan (Amazon Japan, Galen Leather)

STALOGY’s Japanese product page lists the A5 at 210 × 148 mm with 184 sheets (368 pages) and prices all four A5 colors at ¥2,937 (about US$19) including tax; its 365Days feature page adds the 4 mm grid and the 320 g weight, but still shows an older ¥2,550 (about US$16). STALOGY doesn’t publish a paper weight: the 52 g/m² figure comes from Galen Leather and The Pen Addict.

Size (STALOGY)	Dimensions	Grid	Hour marks	Weight	Price (Japan, with tax)
A6 (S4103)	148 × 105 mm	5 mm	8–21	177 g	¥2,420 (about US$15)
B6 (S4104)	182 × 128 mm	5 mm	7–23	235 g	¥2,816 (about US$18)
A5 (S4101)	210 × 148 mm	4 mm	0–24	320 g	¥2,937 (about US$19)
B5 (S4102)	257 × 182 mm	5 mm	0–24	470 g	¥4,026 (about US$25)

Every size has 184 sheets. STALOGY also sells a 96-sheet “1/2 Year Notebook” (192 pages) in A6, B6 and A5. STALOGY says the 365Days won a design-category prize at the 23rd Japan Stationery Awards (日本文具大賞).

How thin is the paper, and does it ghost?

At 52 g/m², the paper is about two-thirds the weight of the 80 g/m² paper in a Leuchtturm1917 Medium, which is how STALOGY fits 368 pages into one book. Thin paper keeps the book light, but it shows writing through from the other side (ghosting).

Galen Leather describes the paper as bleed-proof, and reviewers at The Pen Addict and The Well-Appointed Desk generally like it with fountain pens. The Pen Addict’s 2025 review found it indistinguishable from Tomoe River, while its 2017 review found it slightly more textured; a Wonder Pens customer review says it dries faster than Tomoe River.

STALOGY’s own claim is that it resists bleed-through (裏抜けしにくい). Ghosting is the main complaint, especially with very saturated inks.

Bar chart: STALOGY 365Days A5 has 368 pages of 52 g/m² paper, versus 251 pages of 80 g/m² in the Leuchtturm1917 Medium, 240 pages of 70 g/m² in the Moleskine Classic Large and 176 pages of 80–90 g/m² in the Midori MD A5 — The 365Days fits the most pages of these A5-class books by using the lightest paper.

Can you use the STALOGY 365Days as a planner?

Yes, loosely: the faint date and hour marks let you use it as a daily diary, but nothing is pre-dated. You write the date yourself, so you can start on any day and skip days without wasting pages.

Reviewers describe the marks and grid as small and faint, which suits people who want a notebook first. One early reviewer noted that 368 pages cover a year well but leave little room for extra notes or reference pages.

How does the STALOGY 365Days compare to a Hobonichi Techo?

The Hobonichi Techo Original is a dated A6 planner; the STALOGY 365Days is a plainer notebook that also comes in A5.

	STALOGY 365Days A5	Hobonichi Techo Original
Size	148 × 210 mm	105 × 148 mm (A6)
Pages	368	464
Paper	52 g/m²	Tomoe River
Dates	Faint marks, you fill them in	Printed for each day
Price band	$$$	$$$

If you mainly want good fountain pen paper and don’t need a year in one book, see our best notebooks for fountain pens. The Midori MD Notebook A5 is a thread-bound option with heavier paper. If a page a day feels like too much, the Q&A a Day 5-Year Journal asks one short question per date.

Which size and layout should you choose?

Choose the A5 for a desk journal with room to write, and the B6 or A6 if it has to fit in a bag. The A5 page is about the size of a Leuchtturm1917 or Midori MD A5.

Grid: for lists, tables and sketches; the layout STALOGY sells in all four sizes.
Lined: STALOGY’s 7 mm ruled A5 (SS1012), with triangle marks to split the page into two or four columns.
Dot grid or blank: listed by Galen Leather and other export retailers; we didn’t find them on STALOGY’s Japanese site, so they may be export-market versions.

How much does the STALOGY 365Days cost?

The A5 365Days falls in our $$$ band ($20–75 per notebook). That’s more than a basic notebook, but it holds a full year of pages.

It costs less in Japan: STALOGY’s Japanese site lists the black A5 (S4101) at ¥2,937 (about US$19) including tax, just under our $$ ceiling. We keep the $$$ band because it reflects typical US retail after import, not the Japanese list price.

Where is the STALOGY 365Days made?

In Japan: Amazon Japan lists 原産国 (country of origin) 日本 for the black A5, S4101. Galen Leather also lists Japan for its grid, dot grid and blank versions. STALOGY’s About page says Nitoms, Inc., a Japanese company in the Nitto group, develops, manufactures and sells STALOGY products; the product pages themselves don’t name a country.

Frequently asked questions

What size is the STALOGY 365Days A5 notebook?

STALOGY lists the A5 365Days at 210 × 148 mm, about 8.3 × 5.8 inches, and 320 g. It also makes the 365Days in B5 (257 × 182 mm), B6 (182 × 128 mm) and A6 (148 × 105 mm).

How many pages does the STALOGY 365Days have?

The A5 has 368 pages, which is 184 sheets. That is enough for a page a day for a year, with three pages to spare.

What paper does STALOGY use?

Retailers list the 365Days paper as 52 g/m² white paper. STALOGY doesn't call it Tomoe River; reviewers compare the two, and one found them hard to tell apart.

Is the STALOGY 365Days good for fountain pens?

Mostly. Reviewers generally like it with fountain pens and a retailer calls it bleed-proof, but the thin paper ghosts: writing shows through from the other side, especially with very saturated inks.

Is the STALOGY 365Days a planner?

Not a structured one. Each page carries faint date numbers and hour marks that you can use as a diary or ignore, so it works as an ordinary notebook too.

STALOGY 365Days vs Hobonichi Techo: what's the difference?

Both use thin paper to fit a year into one book. The Hobonichi Techo Original is an A6 planner with printed dates for each day, while the STALOGY 365Days is a plainer notebook with optional date marks, and it also comes in A5.

Where is the STALOGY 365Days made?

In Japan, according to Amazon Japan's listing (原産国: 日本) and Galen Leather. STALOGY says its maker, Nitoms, develops, manufactures and sells the line.

Sources (17)

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