Time Synchronization SoftwareOn UNIX Platform:
- NTP
- xntp3.5f patch on HPUX 10.00 - 10.30
- MSNTP v1.3 : an SNTP implementation on UNIX, available in dist/msntp-1.3.tar.gz (48K bytes) on oozelum.csi.cam.ac.uk (log in as anonymous) by Nick Maclaren (nmm1@cam.ac.uk).
- Time Surveying software : time-surveying-0.92.tar.gz time-surveying-doc.tar This package consists of patches to "XNTP3.4G" or later to log additional data and programs to analyze and present the additional data. Using the package, a Time Surveyor may gain insight into: how well a machine was synchronized how stable its local oscillator was the delay behavior of networks to various remote clocks how well the remote clocks kept time the degree of systematic offsets of various remote clocks
- DTSS of DCE
- NBSTIME on Sun Solaris 2.x and SunOS 4.x
set your clock using a modem to access
ACTS (Advanced Computer Time Service)
It gives approx. 10-20ms accuracy at time of setting and requires
only a 1200 bps Hayes compatible (Bell 212a I believe) modem.
- Some NTP software for HPUX 9.x On DOS Platform:Fixtime v3.0 is a utility which you can run to correct your computer's clock for the expected error since the last time the clock was adjusted. Typically the real-time clock in a PC is off by the same amount each day. When you specify some number of seconds by which to adjust the clock, fixtime computes a new, more accurate "CLOCK DRIFT" correction factor. Run it in autoexec.bat to correct the clock at boot time. Shareware registration ID #2208.
- WTIME
- TimeSync
- BBCTIME
- ACTS
- Rightime
- Timeset On Windows 16 Platform:
- WinSNTP : Coetanian Systems home page WinSNTP is a shareware implementation of the Simple Network Time Protocol that runs under Windows (V1.5f) or Win32 compliant systems such as NT, Windows 95 etc (Version 2.2 and beyond). It will synchronize the clock of a PC to a remote time server running NTP and will then work to keep the time accurate to a specified limit (typically 100 mS).
- Timesync : tsync1_8.zip
- Tardis : Tardis
- Windows Time : wstim101.zip
- ID LOGIC World Time Clock (with Synchro) : ID LOGIC World Time Clock
- AccuSet : Retsik Software
- Time Synchronizer : Time Synchronizer Software NetTime is a windows utility that either calls NIST or contacts NIST via the Internet where it then retrives the current GMT time. NetTime will then proceed to attach to all of the servers on your WAN and adjust the time on each one. NetTime SNTP is a FREEWARE program. It is a windows client that retrieves the time via SNTP. Get it from HiFive Software, 12427 W. Jefferson; Suite112 LA, CA 90066 On Windows 32 Platform:
- WinSNTP : Coetanian Systems home page WinSNTP is a shareware implementation of the Simple Network Time Protocol that runs under Windows (V1.5f) or Win32 compliant systems such as NT, Windows 95 etc (Version 2.2 and beyond). It will synchronize the clock of a PC to a remote time server running NTP and will then work to keep the time accurate to a specified limit (typically 100 mS). NetTime is a windows utility that either calls NIST or contacts NIST via the Internet where it then retrives the current GMT time. NetTime will then proceed to attach to all of the servers on your WAN and adjust the time on each one. NetTime SNTP is a FREEWARE program. It is a windows client that retrieves the time via SNTP. Get it from HiFive Software, 12427 W. Jefferson; Suite 112 LA, CA 90066 On Windows 95/98 Platform:- AtomTime98 : AtomTime98 AtomTime98 is a 32-bit Windows Internet (Winsock) application which will connect to the Atomic Clock time server in Boulder, Colorado (USA) and fetch the current atomic clock time value. It compares this value to your PC time and displays the difference. You then have the option of updating your PC clock to match the atomic clock value. There are a number of options to automate the update process. AtomTime98 also features support for most proxy servers. - Automachron : Automachron beta released Sept 23, 1998 This client is a port 37 time client only. The latest version can accept an IP address as a start-up parameter, which makes it very useful for integration into network monitoring packages such as Ipswitch's "WHATSUP GOLD". - WinSNTP : Coetanian Systems home page WinSNTP is a shareware implementation of the Simple Network Time Protocol that runs under Windows (V1.5f) or Win32 compliant systems such as NT, Windows 95 etc (Version 2.2 and beyond). It will synchronize the clock of a PC to a remote time server running NTP and will then work to keep the time accurate to a specified limit (typically 100 mS). Excellent time management utility for Win95/98, featuring the ability to set the system clock via Internet NTP using SNTP, Time TCP or Time UDP. It can also set the system clock via modem to the atomic clock (at NIST). It features a digital clock, calendar, stopwatch, dual count-down timers, an on-line timer, and a 100-event program scheduler and alarm/reminder system. Its built-in scheduling options include automatic setting of the system clock, disconnecting from the Internet, system shut-down and system reboot at any predetermined time. The on-line timer now features monthly summaries! - Dimension 4: Dimension 4 PC time synchronization software for Windows 95 and Windows NT 4.0 (SUR). Dimension 4 synchronizes your PC's time to within 50 ms of actual time using Internet SNTP or Time protocol. - SocketWatch : SocketWatch ver.3.1 SocketWatch is fully integrated with Windows 95. It is not a time client that just happens to run on Windows 95, but is specially designed for PC's running Windows 95 and using Dial-up Networking. SocketWatch will connect to internet time servers and set the PC clock in the background. With the new smart server search feature SocketWatch will automatically go through its list of ~100 public access time servers and find the one that will give you the quickest and most accurate time synchronization. - tardis95 : tardis95.zip or Tardis NetTime is a windows utility that either calls NIST or contacts NIST via the Internet where it then retrives the current GMT time. NetTime will then proceed to attach to all of the servers on your WAN and adjust the time on each one. NetTime SNTP is a FREEWARE program. It is a windows client that retrieves the time via SNTP. Get it from HiFive Software, 12427 W. Jefferson; Suite112 LA, CA 90066 AtomTime95 is a Win95 application with a simple interface. In addition, it has the ability to traverse most of the common proxy servers. - SetTime SetTime is for Win95 and NT 4.0 and is written as a programming example of legible Visual C++ and WinSock coding for use by other newbies looking to build skills in this space. A NTP-based winsock program to adjust your PC time from a NTP server. As a time client, it acquires time from internet, and as a server it will provide four kinds of time signals to other computers on your local network. Worldtime displays the time in different time zone as well as providing time synchronization. - TSTC TSTC is a program implementing the NTP time server protocol. It can both be a time client and a time server. It is usefull to build a time network chain, in the case one station only can be connected to Internet (due to firewall limitations). That station reads time from the internet, and serve this time to all other stations on the network. You can use any other time client to connect to TSTC server. PresenTense is a WIndows 95/98 time client which runs as a system service and permits synchronization to NTP/SNTP, Time-UDP and Time-TCP servers. Its features include user level security and a lightweight design that limits its memory footprint to about 100kB. It also integrates itself with the operating system as a "SIMPLE SERVICE", i.e., it survives user log-off, etc, as does a true service under NT.
It is an administration tool which permits the remote administration of time clients over the network and more importantly verification of machine times and assessment of the nominal error at various clients as well as the ntp server.
On Windows NT and Windows NT Server Platform:
- AtomTime98 : AtomTime98
AtomTime98 is a 32-bit Windows Internet (Winsock) application which will connect to the Atomic Clock time server in Boulder, Colorado (USA) and fetch the current atomic clock time value. It compares this value to your PC time and displays the difference. You then have the option of updating your PC clock to match the atomic clock value. There are a number of options to automate the update process. AtomTime98 also features support for most proxy servers.
- Automachron : Automachron beta released Sept 23, 1998
- NTPDATE : ntpdate.zip
- WinSNTP : Coetanian Systems home page
WinSNTP is a shareware implementation of the Simple Network Time Protocol that runs under Windows (V1.5f) or Win32 compliant systems such as NT, Windows 95 etc (Version 2.2 and beyond). It will synchronize the clock of a PC to a remote time server running NTP and will then work to keep the time accurate to a specified limit (typically 100 mS).
- XNTP 3-87.6 for NT: can be downloaded from ftp.drcoffsite.com with login as "FTPGUEST" and passwd as "GUEST" and the files are
ntxntpbin-gui.zip and ntxntpbin-nongui.zip. - Tardis for NT 1.0 : Tardis - TimeSync for NT 1.0 : TimeSync home page
- TimeServ in NT Resource Kit : TimeServ home page The Windows NT Resource Kit has a dandy utility called TimeServ. It automatically sets the CPU clock from many different sources - various modems around the world, Simple NTP, various GPS units, various bus timing cards, etc. with a specified number of times each day.
- Dimension 4 : Dimension 4
PC time synchronization software for Windows 95 and Windows NT 4.0 (SUR). Dimension 4 synchronizes your
PC's time to within 50 ms of actual time using Internet SNTP or Time protocol.
The software is available
at ftp.drcoffsite.com, send email to Greg Schueman for login instructions.
NetTime is a windows utility that either calls NIST or contacts NIST
via the Internet where it then retrives the
current GMT time. NetTime will then proceed to attach to all of the servers
on your WAN and adjust the time
on each one. NetTime SNTP is a FREEWARE program. It is
a windows client that retrieves the time via SNTP.
One can also get it from HiFive Software, 12427 W. Jefferson #112 LA, CA 90066
- SetTime
SetTime is for Win95 and NT 4.0 and is written as a programming example
of legible Visual C++ and WinSock coding for use by other newbies
looking to build skills in this space.
A NTP-based winsock program to adjust your PC time from a NTP server.
As a time client, it acquires time from internet, and as a server it will provide four kinds of time signals to other computers on your local network. Time Synchronization is a small, but useful add-on for Microsoft Windows NT. The purpose of this software is to synchronize the local time (on local machine) with another computer on local network. It works with almost clockwork precision, because the precision is in tens of nanoseconds. The most common use is to synchronize with network server. This software is shareware. It is designed as a service, which is controlled by control panel extension.
PresenTense is a WIndows NT time client which runs
as a system service and permits synchronization
to NTP/SNTP, Time-UDP and Time-TCP servers.
Its features include user level security and a lightweight
design that limits its memory footprint to about 100kB.
- TSTC
TSTC is a program implementing the NTP time server protocol.
It can both be a time client and a time server.
It is usefull to build a time network chain, in the case
one station only can be connected to Internet (due to firewall
limitations). That station reads time from the internet, and
serve this time to all other stations on the network.
You can use any other time client to connect to TSTC server.
On NetWare 3.x/4.x Platform:
- RDATE
PC's and LAN servers are great for computing, but not very good at
keeping time. Their clocks can drift seconds,
even minutes, over a day's time. Cadence Network Time Synchronizer for
NetWare LANs eliminates all of your
time problems. Cadence maintains the correct time and date on your
server and workstations; all the time. Time is
crucial to many applications such as: data collection, FAX servers,
accounting, access control, backup jobs, and
real time systems. Cadence takes care of the time so you don't have to.
All of your servers and workstations will
have the same time; the right time. Cadence knows the time.
NetTime is a windows utility that either calls NIST or contacts NIST via the Internet where it then retrives the current GMT time. NetTime will then proceed to attach to all of the servers on your WAN and adjust the time on each one. NetTime SNTP is a FREEWARE program. It is a windows client that retrieves the time via SNTP. One can also get it from HiFive Software, 12427 W. Jefferson #112 LA, CA 90066
- Time Synchronization Solutions Guide for NetWare
- Various
NetWare time synchronisation modules, both client and
hosts for both workstations and servers, for TCP and SPX are
available with source. More description in readme.
- RDATE2:
RDATE2
The NetWare time sync client RDATE has been simplified and
is available with source as RDATE2. A NetWare time sync
*daemon* is also available. A complete package of the three is included here.
- SNTP client NLM:
SNTPCLNT On Mac Platform:
- Mac-NTP at netcom server Mac-NTP at NTP server
NTP for Macintosh is a set of software components that provide time
synchronization services for the Macintosh over both IP and AppleTalk.
NTP for Macintosh is based upon the Internet standard Network Time
Protocol. NTP Client is a shareware software component that synchronizes
the system clock of the Macintosh with other computers in a network.
Other components include an NTP Server for MacOS and an A/UX Server.
For further information, questions, or comments, contact the author:
John Dundas / dundas@netcom.com
- Vremya version 1.6.1 as NTP V1 client
NetChronometer is just right for the user who wants to set his clock from
time to time, at intervals of one or more hours.
A suggested set of time servers from around the world is included,
but you may set any server you like, if you know of one closer
that those listed.
- Mac OS 8.5 has NTP support via the Date and Time Control Panel
On OS/2 Platform:
- nistime
Network Time Protocol Client for OS/2
- daytime
On Java Platform:- JSNTP JSNTP, a Java application that uses SNTP to set the user's clock. JSNTP is freeware, is capable of much greater accuracy than the old TickTock program, and can also be configured as a stealthy pinger to keep a dial-up connection alive through periods of inactivity (while keeping the clock accurate.) It can access any appropriate NTP server and is no longer confinedhplnhcto USNO's Tick and Tock machines. On Amiga Platform:FACTS is for the Amiga platform, and it runs as a commodity with a GUI and ARexx port. It can obtain time through the sntp, time/udp, time/tcp or daytime services, and will run in the background to keep the system clock syncronised. FACTS is FREEWARE, and requires Workbench 2.04 or newer and an AmiTCP 4 compatible TCP/IP stack. On PDA Platform:On Wrist/Pager Watch Platform:
- Wrist Watch Microsoft and Timex have announced the development of a wristwatch that allows communications with personal computers simply by pointing at a computer screen. The device is available in the US and is called the Data Link. The watch enables the user to enter and edit data on their PC and select information on the screen to download into the watch by holding its face 6 to 12 inches from the monitor. The communications link is achieved by the use of a photosensitive cell to pick up dots on cathode-ray-tube screens, the watches will therefore not work with LCD screens.
Seiko markets in NLA, Portland, Seattle and Las Vegas several pager
watch models which receives time signals and synchronizes the watch to
them, as well as paging signals and other information (weather, sports
scores, stock market, ski reports) from a subcarrier of local FM
broadcast radio stations.
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