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+Network Working Group                                          J. Postel
+Request for Comments: 867                                            ISI
+                                                                May 1983
+
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+                            Daytime Protocol
+
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+
+This RFC specifies a standard for the ARPA Internet community.  Hosts on
+the ARPA Internet that choose to implement a Daytime Protocol are
+expected to adopt and implement this standard.
+
+A useful debugging and measurement tool is a daytime service.  A daytime
+service simply sends a the current date and time as a character string
+without regard to the input.
+
+TCP Based Daytime Service
+
+   One daytime service is defined as a connection based application on
+   TCP.  A server listens for TCP connections on TCP port 13.  Once a
+   connection is established the current date and time is sent out the
+   connection as a ascii character string (and any data received is
+   thrown away).  The service closes the connection after sending the
+   quote.
+
+UDP Based Daytime Service
+
+   Another daytime service service is defined as a datagram based
+   application on UDP.  A server listens for UDP datagrams on UDP port
+   13.  When a datagram is received, an answering datagram is sent
+   containing the current date and time as a ASCII character string (the
+   data in the received datagram is ignored).
+
+Daytime Syntax
+
+   There is no specific syntax for the daytime.  It is recommended that
+   it be limited to the ASCII printing characters, space, carriage
+   return, and line feed.  The daytime should be just one line.
+
+      One popular syntax is:
+
+         Weekday, Month Day, Year Time-Zone
+
+         Example:
+
+            Tuesday, February 22, 1982 17:37:43-PST
+
+
+
+
+
+Postel                                                          [Page 1]
+
+
+
+RFC 867                                                         May 1983
+Daytime Protocol                                                        
+
+
+      Another popular syntax is that used in SMTP:
+
+         dd mmm yy hh:mm:ss zzz
+
+         Example:
+
+            02 FEB 82 07:59:01 PST
+
+NOTE:  For machine useful time use the Time Protocol (RFC-868).
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+Postel                                                          [Page 2]
+