Broly day
Saiyan Day
Yamcha's birthday
Bardock Day
Tenkaichi Day
Gohan day
Goku day
Goten day
Son family week
Piccolo day/birthday
Android Day
Gohan's birthday
Turles day
Nappa day
Tapion day
Vegetable Day
Raditz day
Krillin's birthday
Goku Black Friday
Frieza day
26th of every month
March 18
March 20
1 May
7 May
8 May
9 May
10 May
between May 7th and May 10th
9 May
12 May
18 May
7 July
8 and/or 28 july
15 July
31 August
12 October
29 October
29 November (for 2024)
25 December
毎月26日はブロの日 and ブロの日
サイヤの日
ヤムチャ生誕祭
バーダックの日
(unknown)
ごはんの日 and 悟飯の日
悟空の日
悟天の日
孫家週間
ピッコロ記念日
AndroidDay
悟飯生誕祭
ターレスの日
ナッパの日
TapionDay
やさいの日
ラディッツの日
クリリン生誕祭
GokuBlackFriday
FriezaDay
Many special character days match either their first manga, anime or movie apparition. Tapion Day, for instance, is celebrated on the release date of Wrath of the Dragon.
Some of these are widely celebrated by the fandom, but the underlined events are celebrated by the official accounts (either because they're actual dates in verse or because the pun has been marketed).
Saiyan / Vegetable days. Saiya is an anagram on Yasai (vegetable) and they can be read as numbers (318 - 831). All Saiyans are named after vegetables.
Goku can be read as 5 - 9. It also matches the in verse date of Piccolo Day. Gohan (5-8) and Goten (5-10) follow the same pattern.
GoChi is celebrated on Tenkaichi Budokai day because it's the day of Goku's proposal. So from May 7th to May 10th, we celebrate the Son Family!
FriezaDay is a reference to TFS's DBZA.
Piccolo Day is celebrated in verse by the Demon King Piccolo. It's also Piccolo (Jr)'s birthday.
Yamcha's and Krillin's birthdays are both given in Weekly Shonen Jump. Other birthdays of OG DB characters were given, but the 2024 calendar only fetched the official birthdays of the 14 calendar men.
Gohan's birthday is celebrated in the anime.
Android Day exists in verse (Future Trunks gives the date of their apparition).
Please note that the Official Dragon Ball accounts also celebrate all special dates in Japan (sunglasses day, tights day, strawberries day, smile day...) by publishing a Dragon Ball panel associated with the theme. These dates, apart from Goku Day, aren't specific to Dragon Ball, and as such aren't listed here.
MarTen Day
Gochi Day
VegeBul day
TruHan day
TruTen Day
10 March
7 May
9 June
8 October
10 October
MarTenDay
悟チチの日
69fes
トラ飯の日
トラ天の日
Most of these are puns on how you pronounce the dates, either in English or in Japanese.
Many details are hard to find, if you happen to have any of the missing dates or names, please feel free to contact us so we can add them in!
Please note that Manga chapters are published in pre-publication magazines (weekly or monthly). We put in the dates we were able to confirm in the calendar, but it's probable the DB Chapter 1 was available in stores at a different date than the cover date. As such, V Jump may have changed its publication method as the volume from February 2024 was actually sold on December 20th 2023...