Top #Clock dweets

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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yukulele

function u(t) {

x.stroke(new Path2D([[500,3e4],[400,18e5],[200,216e5]].map(([e,b])=>`M960,540l${S(n=Date.now(c.width+=0)/b*Math.PI)*e} `+-C(n)*e).join("")))

Jan 23 2020 9:54 PM UTC

}// 140/140

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🕒

u/katkip

#clock #time

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mildlybean

function u(t) {

H=h=>x.moveTo(961,q=541)|x.lineTo(960+S(h)*q,q-C(h)*q);d=new Date;H((d.getHours(c.width+=m=d.getMinutes()/60)%12+m)/1.9);H(m*6.3);x.stroke()

Dec 18 2019 1:21 AM UTC

}// 140/140

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Clock

u/katkip

#clock #time
u/DataMeta

Nice one. Can use this to demonstrate that JS uses the client's local environment clock

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f8f82804

remix of d/11962 by u/f8f82804

function u(t) {

c.width=32;d=new Date/1e3%86400;j=120;do{"縿Ϡ庽纵粇皷皿簡线粧碾⪿䘮㨿嚿ᒿ".charCodeAt(d&15)&1<<--j%20&&x.fillRect(2+j/5|0,j%5+7,1,1)}while(j%20|0||(d>>=4))

Jan 27 2019 11:04 PM UTC

}// 140/140

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#hex #clock -- shows count of seconds since #UTC midnight (ignoring leap second corrections since epoch)

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fujimotos

remix of d/7622 by u/Aheradin

function u(t) {

c.width|=0
h=540;w=960
x.font='70px a'
for(i=12;i--;)x[z='fillText']('■',C(t)*i*30+w,S(t)*i*30+h),x[z](i,S(.52*i)*450+w,C(.52*i+3.14)*450+h)

Apr 11 2018 12:56 PM UTC

}// 140/140

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u/rjro

#clock
u/BirdsTweetCodersDweet

for(i=13;--i;) -- You CAN have a 12 o'clock on there, y'know?

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Agnes

function u(t) {

c.width+=i=0;s=~~t;for(;i<3;x.lineWidth=9+9*i++,w=500/i,s/=i<3?60:12,k=-6.283185*s,x.stroke(new Path2D(`M960 540l${-S(k)*w}
 ${-C(k)*w}`)));

Jan 31 2018 9:01 PM UTC

}// 140/140

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Replace "t" by "(new Date()).getTime()/1000" for real time. No idea how to reduce the rest by that much though.

u/Agnes

Also, the approximation of -2*pi is bad and probably de-syncs the clock after a couple of days.
u/fourier.space

Just like a real clock would!
u/iverjo

#clock

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coderkid

function u(t) {

c.width|=0;r=Math.random;x.font="232px 💩";x.fillText(String.fromCodePoint(0x1F550+Math.floor(t)%12),800,650);

Jan 2 2018 3:01 AM UTC

}// 109/140

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u/donbright

ove it
u/coderkid

Thanks @donbright
u/iverjo

#clock

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lewdev

remix of d/28638 by u/lewdev

function u(t) {

c.width|=0;x.scale(40,40);"Hours,Minutes,Seconds".split`,`.map((A,i)=>x.fillText(new Date()["get"+A]().toString(2).padStart(6,0),7,8+i*9))

May 1 2024 9:40 PM UTC

}// 138/140

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⌚ Binary Clock HD #clock #binary

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KilledByAPixel

remix of d/18459 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𪑬𫁒𩑣𭀨𜀬𜀬𨰮𭱩𩁴𪁼🐰𛀲𩐳𚐬𩡩𫁬𤱴𮑬𩐽𘠣𜁆𡠢𛁴🐰𯁴𚠹𛁭👴𙐱𜠬𩡯𫡴🐢𝠴𩑭𙰢𛁴𬡡𫡳𫁡𭁥𚀹𝠰𛀵𝀰𚐬𬡯𭁡𭁥𚀮𝐲𝀪𫐩𛁦𪑬𫁔𩑸𭀨𤱴𬡩𫡧𛡦𬡯𫑃𪁡𬡃𫱤𩐨𝐵𜰵𝰬𝐶𝠵𝠫𚁴𛰱𜠥𜐲𚰲𜰭𫐩𙐱𜠩𛀭𝰰𜰬𜰶𜠩`.replace(/u../g,'')))

Apr 23 2020 4:28 PM UTC

}// 135/140

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Unicode #Clock 🕑 Demo

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davidsharp

function u(t) {

c.width|=0,s='🕐🕑🕒🕓🕔🕕🕖🕗🕘🕙🕚🕛'
with(x)font="100px a",fillText(s[0]+s[1+2*(((new Date()).getHours()%12)-1)],1000,500)

Jun 26 2018 4:03 PM UTC

}// 113/140

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This is just the time rounded down in hours, there's a bunch of logic that could be golfed away if the clocks string was also golfed down (the first character of each emoji is the same, these also count against the 140 characters)

u/davidsharp

Darn, string should've been 🕛🕐🕑🕒🕓🕔🕕🕖🕗🕘🕙🕚
u/micahcowan

Pretty neat!The -1 doesn't work out for hours at 0 or 12. Could have added 23 (before the % 12) instead of subtracting 1 (or yeah, your string-based fix).
u/micahcowan

#emoji #clock
u/davidsharp

I think I fixed the string, and adjusted the numbers, but then undid a bunch of changes, including my string fix and adjusted the code for the broken string instead 🤦‍♂️

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lewdev

remix of d/28322 by u/lewdev

function u(t) {

c.width=120;[36e2,60,1,.01].map((u,i)=>(v=t>=u?~~(t/u):0,t%=u,x.fillText(v.toString(2).padStart(7,0).split``.reverse().join``,38,15+i*15)))

Oct 7 2023 2:38 AM UTC

}// 139/140

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⏲ Binary Running #timer #clock (can't compress emojis)

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