--- title: "BIP39 Word #449: day — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/day/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #449 00111000000 # day — BIP39 word #449 "**day**" is word #449 of the 2048 words in the official BIP39 English wordlist, between [dawn](/bip39-word/dawn/) and [deal](/bip39-word/deal/). In a seed phrase it stands for the 11-bit value `00111000000`, decimal index 448\. /deɪ/ · _noun:_ a period of twenty-four hours, or the time when it is light [Russian](/ru/ "The BIP39 wordlist with Russian translations"): день ## Binary Representation Three 1-bits and eight 0-bits; 165 of the 2048 indexes have exactly three 1-bits. One wrong bit turns it into (leftmost bit first): [retreat](/bip39-word/retreat/)[job](/bip39-word/job/)[blossom](/bip39-word/blossom/)[chimney](/bip39-word/chimney/)[copy](/bip39-word/copy/)[despair](/bip39-word/despair/)[deliver](/bip39-word/deliver/)[decorate](/bip39-word/decorate/)[decade](/bip39-word/decade/)[debate](/bip39-word/debate/)[deal](/bip39-word/deal/) Position Hex Index 0x1C0 4-Letter Prefix day ## About "day" in BIP39 - It takes all three letters to identify "day": **"da"** also begins 9 other words, among them [dad](/bip39-word/dad/), [damage](/bip39-word/damage/), [damp](/bip39-word/damp/) and [dance](/bip39-word/dance/). Three letters are enough for only 604 of the 2048 words. ## Word #449 in the Other 9 BIP39 Wordlists [Czech](/czech/) hotovost [French](/french/) cordage [Italian](/italian/) deciso [Japanese](/japanese/) きらく [Korean](/korean/) 만약 [Portuguese](/portuguese/) ciclone [Spanish](/spanish/) contar [Traditional Chinese](/chinese-traditional/) 存 [Simplified Chinese](/chinese-simplified/) 存 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "day" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [dad](/bip39-word/dad/)[dry](/bip39-word/dry/)[say](/bip39-word/say/)[way](/bip39-word/way/) Read aloud, "day" /deɪ/ is one sound away from these 3 words: [deer /dɪə/](/bip39-word/deer/)[door /dɔː/](/bip39-word/door/)[they /ðeɪ/](/bip39-word/they/) ## More BIP39 Words Starting with "D" [ #445 daring ](/bip39-word/daring/)[ #446 dash ](/bip39-word/dash/)[ #447 daughter ](/bip39-word/daughter/)[ #448 dawn ](/bip39-word/dawn/)[ #450 deal ](/bip39-word/deal/)[ #451 debate ](/bip39-word/debate/)[ #452 debris ](/bip39-word/debris/)[ #453 decade ](/bip39-word/decade/) [View all words starting with "D" ](/bip39-words/d/) ## Seed phrase, key and recovery guides - [How to Encrypt a Seed Phrase: AES, XOR and Steganography](/seed-phrase-encrypting-with-aes-xor-and-steganography/) - [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/) - [TON Seed Phrase: 24-Word Format vs 12-Word BIP39 Phrases](/seed-phrase-format-for-ton-wallets/) [ Full BIP39 Wordlist ](/)