What's the time, chap?

Question

I honestly cannot believe that this is not a question yet on Code Golf, but....

Print the local time (with a.m. or p.m.) as a string to the console, preceded by "It's ".

Example:

Run code....

Output:

It's 12:32p.m.

Shortest code wins.

Code away!

Leaderboard

var QUESTION_ID=57552,OVERRIDE_USER=42854;function answersUrl(e){return"http://api.stackexchange.com/2.2/questions/"+QUESTION_ID+"/answers?page="+e+"&pagesize=100&order=desc&sort=creation&site=codegolf&filter="+ANSWER_FILTER}function commentUrl(e,s){return"http://api.stackexchange.com/2.2/answers/"+s.join(";")+"/comments?page="+e+"&pagesize=100&order=desc&sort=creation&site=codegolf&filter="+COMMENT_FILTER}function getAnswers(){jQuery.ajax({url:answersUrl(answer_page++),method:"get",dataType:"jsonp",crossDomain:!0,success:function(e){answers.push.apply(answers,e.items),answers_hash=[],answer_ids=[],e.items.forEach(function(e){e.comments=[];var s=+e.share_link.match(/\d+/);answer_ids.push(s),answers_hash[s]=e}),e.has_more||(more_answers=!1),comment_page=1,getComments()}})}function getComments(){jQuery.ajax({url:commentUrl(comment_page++,answer_ids),method:"get",dataType:"jsonp",crossDomain:!0,success:function(e){e.items.forEach(function(e){e.owner.user_id===OVERRIDE_USER&&answers_hash[e.post_id].comments.push(e)}),e.has_more?getComments():more_answers?getAnswers():process()}})}function getAuthorName(e){return e.owner.display_name}function process(){var e=[];answers.forEach(function(s){var r=s.body;s.comments.forEach(function(e){OVERRIDE_REG.test(e.body)&&(r="<h1>"+e.body.replace(OVERRIDE_REG,"")+"</h1>")});var a=r.match(SCORE_REG);a&&e.push({user:getAuthorName(s),size:+a[2],language:a[1],link:s.share_link})}),e.sort(function(e,s){var r=e.size,a=s.size;return r-a});var s={},r=1,a=null,n=1;e.forEach(function(e){e.size!=a&&(n=r),a=e.size,++r;var t=jQuery("#answer-template").html();t=t.replace("{{PLACE}}",n+".").replace("{{NAME}}",e.user).replace("{{LANGUAGE}}",e.language).replace("{{SIZE}}",e.size).replace("{{LINK}}",e.link),t=jQuery(t),jQuery("#answers").append(t);var o=e.language;/<a/.test(o)&&(o=jQuery(o).text()),s[o]=s[o]||{lang:e.language,user:e.user,size:e.size,link:e.link}});var t=[];for(var o in s)s.hasOwnProperty(o)&&t.push(s[o]);t.sort(function(e,s){return e.lang>s.lang?1:e.lang<s.lang?-1:0});for(var c=0;c<t.length;++c){var i=jQuery("#language-template").html(),o=t[c];i=i.replace("{{LANGUAGE}}",o.lang).replace("{{NAME}}",o.user).replace("{{SIZE}}",o.size).replace("{{LINK}}",o.link),i=jQuery(i),jQuery("#languages").append(i)}}var ANSWER_FILTER="!t)IWYnsLAZle2tQ3KqrVveCRJfxcRLe",COMMENT_FILTER="!)Q2B_A2kjfAiU78X(md6BoYk",answers=[],answers_hash,answer_ids,answer_page=1,more_answers=!0,comment_page;getAnswers();var SCORE_REG=/<h\d>\s*([^\n,]*[^\s,]),.*?(\d+)(?=[^\n\d<>]*(?:<(?:s>[^\n<>]*<\/s>|[^\n<>]+>)[^\n\d<>]*)*<\/h\d>)/,OVERRIDE_REG=/^Override\s*header:\s*/i;

body{text-align:left!important}#answer-list,#language-list{padding:10px;width:290px;float:left}table thead{font-weight:700}table td{padding:5px}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <link rel="stylesheet" type="text/css" href="//cdn.sstatic.net/codegolf/all.css?v=83c949450c8b"> <div id="answer-list"> <h2>Leaderboard</h2> <table class="answer-list"> <thead> <tr><td></td><td>Author</td><td>Language</td><td>Size</td></tr></thead> <tbody id="answers"> </tbody> </table> </div><div id="language-list"> <h2>Winners by Language</h2> <table class="language-list"> <thead> <tr><td>Language</td><td>User</td><td>Score</td></tr></thead> <tbody id="languages"> </tbody> </table> </div><table style="display: none"> <tbody id="answer-template"> <tr><td>{{PLACE}}</td><td>{{NAME}}</td><td>{{LANGUAGE}}</td><td>{{SIZE}}</td><td><a href="{{LINK}}">Link</a></td></tr></tbody> </table> <table style="display: none"> <tbody id="language-template"> <tr><td>{{LANGUAGE}}</td><td>{{NAME}}</td><td>{{SIZE}}</td><td><a href="{{LINK}}">Link</a></td></tr></tbody> </table>

Answer 1

Excel VBA, 33 bytes

?"It's "format(now,"h:ma/p")".m."

Related to toothbrush's VBA6 solution, but written before I saw it, so I'm allowing myself to post it here.

Most of the code is perfectly explicit: now returns a system timestamp, format forces the timestamp to the desired format, whilst It's and .m. are just text strings.

I abused/took advantage of a few things here:

• Implicit concatenation : VBA assumes that when something is put next to a string that a concatenation operation is desired.

• Immediate window printing : This is why I don't claim this is a complete VBA solution, as it relies on being executed from inside an immediate window. The ? replaces debug.print for Excel VBA in an immediate window. This is an obvious gain for VBA where most of the byte cost comes from descriptive/user-friendly function and method names. Toothbrush's solution for example calls Msgbox which is 5 bytes more expensive.

• Format abuse : based on Dopapp's comments in this puzzle, we don't need to have double-digit hours. I'm also not forcing double-digit minutes, which might be slightly against the rules of the game, but can easily be corrected by adding an extra m between : and m, but costs 1 byte more.

I might have missed some other tricks, but I think this is about as low as Excel VBA can go. From what I can see so far, I'm pretty surprised that it's scoring so well, but a lot of the very concise languages haven't been used yet...

Answer 2

x86-16 machine code, IBM PC DOS, 64 62 bytes

Binary:

00000000: bf34 01b4 2ccd 218a c5d4 0c75 02b0 0ce8  .4..,.!....u....
00000010: 1400 478a c1e8 0e00 b870 0980 fd0c 7c01  ..G......p....|.
00000020: aaba 2f01 cd21 d40a 86c4 0530 30ab c349  ../..!.....00..I
00000030: 7427 7320 3030 3a30 3061 2e6d 2e24       t's 00:00a.m.$

Build and test using xxd -r with above.

Listing:

BF 0134     MOV  DI, OFFSET HH      ; DI point to hours in output string
B4 2C       MOV  AH, 2CH            ; DOS get time function 
CD 21       INT  21H                ; CH = hour, CL = minute 
8A C5       MOV  AL, CH             ; put hour into AL 
D4 0C       AAM  12                 ; AL = AL mod 12, ZF = (AL == 0) 
75 02       JNZ  NOT_12             ; is hour 0? 
B0 0C       MOV  AL, 12             ; if so, make it 12 
        NOT_12: 
E8 0126     CALL ACONV              ; ASCII convert AL to [DI] 
47          INC  DI                 ; skip ':' in output string 
8A C1       MOV  AL, CL             ; put minutes into AL 
E8 0126     CALL ACONV              ; ASCII convert AL to [DI]
B8 0970     MOV  AX, 0970H          ; AL = 'p', AH = 9 (DOS write string)
80 FD 0C    CMP  CH, 12             ; set up compare for 12 
7C 01       JL   OUTPUT             ; is hours > 11?
AA          STOSB                   ; if so, write 'p' to output string 
        OUTPUT: 
BA 012F     MOV  DX, OFFSET IT      ; beginning of output string 
CD 21       INT  21H                ; display output 
        ACONV: 
D4 0A       AAM                     ; BCD base 10 convert
86 C4       XCHG AL, AH             ; endian convert
05 3030     ADD  AX, '00'           ; ASCII convert 
AB          STOSW                   ; write to output string buffer 
C3          RET                     ; return to caller/DOS

        IT  DB  'It',27H,'s '
        HH  DB  '00:'
        MM  DB  '00'
        AP  DB  'a.m.$'

I had imagined this being shorter in my head when I started it, but alas. No date "built-ins" at least!

Standalone PC DOS executable TIMECHAP.COM file. Output to STDOUT.

Answer 3

APL (Dyalog Extended), 58 bytes

-6 thanks to @ovs

⎕←∊'It is '(⍕h-12×12<h)':'(⍕5⌷⎕ts),'ap'[1+12<h←4⌷⎕ts]'.m.'

Try it online!

Original:

∊'It is '((':',⍕5⌷⎕ts){⍵>12:∊(⍕(⍵-12))⍺'p'⋄∊(⍕⍵)⍺'a'}4⌷⎕ts)'.m.'

Try it online!

Answer 4

05AB1E, 39 37 bytes

"It's "ža<12%>žb‚T‰J':ý„apža13@è….m.J

-2 bytes thanks to @ovs.

Try it online.

Explanation:

"It's "     # Push string "It's "
ža          # Push the current hours (24 format)
  <         # Decrease it by 1
   12%      # Modulo-12: (hours-1)%12
      >     # Increase it by 1: (hours-1)%12+1
            # (so if the hours was 0, it's now 12; the [1,11] remained the same)
žb‚         # Pair this with the current minutes
   T‰       # Get the divmod-10 of each
     J      # And join the two digits together to a single string
            # (`T‰J` is used to format the hours/minutes with a potential leading 0)
      ':ý  '# Join them together with ":" delimiter
„ap         # Push string "ap"
   ža       # Push the current hours again (24 format)
     13@    # Check if it's >= 13 (1 if truthy; 0 if falsey)
        è   # (0-based) index that into the "ap"
….m.        # Push string ".m."
J           # Join all strings on the stack together
            # (after which the result is output implicitly)

Answer 5

Windows Batch, 113 bytes

@set h=%time:~0,2%&@set z=a&@if %h% gtr 11 set z=p&if %h% gtr 12 set /a h-=12
echo It's %h: =0%:%time:~3,2%%z%.m.

Answer 6

BASH, 50 bytes

date +"It's %I:%M%p"|sed s/AM/a.m./|sed s/PM/p.m./

Just date and two easy seds.

Answer 7

Octave, 75 bytes

disp(["It's " strrep(lower(strftime("%R%p",localtime(time()))),"m",".m.")])

Answer 8

Java, 182 bytes

These solutions are horrendously long. =(

Note: These print in local time, and suppresses leading zeros for the hour. java.util.Date has deprecated API.

// 183 bytes when linebreaks and indentation are removed
import java.util.Date;
class T{
  public static void main(String[]a){
    Date d=new Date();
    int h=d.getHours();
    System.out.printf("It's %d:%02d%c.m.%n",
      (h+11)%12+1,d.getMinutes(),97+h/12*15);
  }
}

---

Alternate solution:

// 182 bytes when linebreaks and indentation are removed
class T{
  public static void main(String[]a){
    System.out.println("It's "+new java.text.SimpleDateFormat("h:mma").format(
      new java.util.Date()).toLowerCase().replaceAll("[apm]","$0."));
  }
}

Answer 9

Perl, 88 75 bytes

use POSIX;$d=lc strftime"%R%p",localtime;$d=~s/m/.m./;printf("It's %s",$d);

Answer 10

C# - 160 bytes

using System;class C{static void Main(string[] a){var n=DateTime.Now;int h=n.Hour,m=n.Minute;Console.Write("It's "+(h<13?h:h-12)+":"+m+(h<12?"a":"p")+".m.");}}

Answer 11

JavaScript (ES6), 95 bytes

x=(new Date+"").substr(16,5).split(':')
alert(`It's ${x[0]%12||12}:`+x[1]+(x[0]<12?'a':'p')+'.m.')

Answer 12

JavaScript (ES6), 88

Edit Missing "It's"
Edit 2 Fixed 0 instead of 12
Edit 3 Added an output statement. I was trying to be in line with other JavaScript answers that I felt ugly, but rules are rules

Test in any EcmaScript 6 compliant browser console (works in Chrome and Firefox).

alert(`It's ${1+((h=(d=new Date).getHours())+11)%12}:${d.getMinutes()+'ap'[h>11|0]}.m.`)

// With no ES6 features : 92

alert("It's "+(1+((h=(d=new Date).getHours())+11)%12)+':'+d.getMinutes()+'ap'[h>11|0]+'.m.')

Answer 13

TI-BASIC, 58 bytes

getTimeStr(12
"It's "+sub(Ans,1,length(Ans)-2)+sub("ap",2-not(inString(Ans,"P")),1)+".m.

An ugly hack to build the correct output from the built-in getTimeStr(, which gives something like "8:59 PM". (By the way, the 12 means "12-hour format".)

Answer 14

PowerShell, 61 bytes

"It's "+(Get-Date -Format HH:mmtt).ToLower()-replace"m",".m."

My very first PowerShell experiecne // because my linux machine is in the other room.

EDITED to be culture-settings robust. Thanks to all commenters below, credit goes to @NeilD

Answer 15

CJam, 60 58 bytes

"It's "3et=Cmd\'p'a?".m."+\_0>{}{;C}?\":"\4et=_A<{0\@}{\}?

Explanation

"It's "                                                         e# Print the string "It's ".
        et                                                      e# Push the local time to the stack.
       3  =                                                     e# Select the third item. (hours)
           C                                                    e# Push 12 to the stack.
            md                                                  e# Push the top stack item modulo the second stack item.
              \                                                 e# Swap the top two stack items.
               'p'a?                                            e# Push "p" or "a" to the stack.
                    ".m."+                                      e# Tack on ".m." to the above.
                          \                                     e# Swap the top two stack items.
                           _                                    e# Duplicate the top stack item.
                            0>                                  e# Determine if the top item is > 0.
                              {}{  }                            e# An if-then statement.
                                    ?                           e# If the top stack item is true.
                                 ;                              e# Remove the top stack item.
                                  C                             e# Push 12 to the stack.
                                     \                          e# Swap the top two stack items.
                                      ":"                       e# Push ":" to the stack.
                                         4  =                   e# Select the fourth item. (minutes)
                                          et                    e# Push the local time to the stack.
                                             _                  e# Duplicate the top stack item.
                                              A<                e# Determine if the top item is < 10.
                                                {   }{ }        e# An if-then statement.
                                                        ?       e# If the top stack item is true.
                                                 0              e# Push 0 to the stack.
                                                  \             e# Swap the top two stack items.
                                                   @            e# Rotate the top three stack items.
                                                      \         e# Swap the top two stack items.

You can test it online, here.

Answer 16

Hassium, 125 Bytes

func main(){print("It's "+date().hour%12+":"+date().minute);if(date().hour%12!=date().hour)print("p.m.");else print("a.m.");}

Run it (and for expanded) here

Answer 17

Octave 54 bytes

5 bytes shorter than the shortest MATLAB submission and 21 bytes shorter than the shortest Octave submission. Uses Octave's "index everywhere" functionality.

disp(['It''s ',lower(datestr(now,16))([1:5,7]),'.m.'])
It's 12:34p.m.

Answer 18

Bash, 32 bytes

printf "%(It's %H:%M:%S%P^H.m.)T"

Where ^H is a literal backspace character. Here's a hex dump (use xxd -r to reverse it):

0000000: 7072 696e 7466 2022 2528 4974 2773 2025  printf "%(It's %
0000010: 483a 254d 3a25 5325 5008 2e6d 2e29 5422  H:%M:%S%P..m.)T"

Answer 19

Thunno 2 j, 36 bytes

ʋ.m.`apkL12®ikKkL⁻12%⁺,TȷḋẸ':s"It's 

Try it online!

Explanation

ʋ.m.`apkL12®ikKkL⁻12%⁺,TȷḋẸ':s"It's    # Full program

                              "It's   "# Step 1 (get the prefix string):
                              "It's   "#  Push the string "It's "

             kKkL⁻12%⁺,TȷḋẸ':s        '# Step 2 (get the time):
               kL                      #  Push the current hours (24-hour format)
                 ⁻                     #  Decrement it
                  12%                  #  Modulo by 12
                     ⁺                 #  Increment it
             kK       ,                #  Pair with the current minutes
                        ȷ              #  And to each one:
                       T ḋ             #   Divmod it by 10
                          Ẹ            #  Dump both onto the stack
                           ':s        '#  Push a ":" between the two pairs

ʋ.m.`apkL12®i                          # Step 3 (get the suffix string):
       kL                              #  Push the current hours again
         12®                           #  Check if it's >= 12
    `ap     i                          #  Index this into the string "ap"
ʋ.m.                                   #  Push the string ".m."

                                       # Join the stack into a string, joining
                                       # lists on the stack implicitly as well

                                       # Implicit output

Answer 20

Pascal, 83 B (subject to implementation characteristics)

Extended Pascal, ISO standard 10206, furnishes Pascal with some time-related routines and a data type timeStamp. However, the specific behavior of getTimeStamp, whether it populates a timeStamp with the ”local time“, UTC, wall time or else, is implementation-defined. Similarly the format time returns is implementation-defined, too. For instance, it could depend on the value of the LC_TIME environment variable if the implementation says so. It is therefore not guaranteed that the following implementation meets all task specification requirements in all ISO-compliant Pascal implementations.

program t(output);var t:timeStamp;begin getTimeStamp(t);write('It''s ',time(t))end.

Note, it is not checked that t.timeValid is true but in a real-life application it is advisable.