Clock correction status
This automatically generated file summarizes the status of
the clock corrections. It reports the date range covered by
the clock corrections as well as when the last attempt was
made to update the clock corrections and what happened. The
name of each clock file links to a page with more details.
Files with fully automatic updates
| Name |
File |
Corrections start |
Corrections end |
Last check date |
Last check result |
| GPS to UTC |
T2runtime/clock/gps2utc.clk |
1993-01-01 MJD 48988.0 |
2024-12-30 MJD 60674.0 |
2025-02-04 |
Unchanged |
| GPS to UTC (Combined Clock) |
T2runtime/clock/gps2utc_cc.clk |
1993-01-01 MJD 48988.0 |
2024-12-30 MJD 60674.0 |
2025-02-04 |
Unchanged |
| GPS to UTC (Corrected) |
T2runtime/clock/gps2utc_c0p.clk |
2010-12-29 MJD 55559.0 |
2024-12-30 MJD 60674.0 |
2025-02-04 |
Unchanged |
| GBT |
tempo/clock/time_gbt.dat |
2000-12-31 MJD 51909.5 |
2024-05-18 MJD 60448.5 |
2025-02-04 |
Validation failed |
| GBT (TEMPO2 converted from TEMPO) |
T2runtime/clock/gbt2gps.clk |
2000-12-31 MJD 51909.5 |
2024-05-18 MJD 60448.5 |
2024-05-19 |
Updated |
| Jodrell Bank |
T2runtime/clock/jb2gps.clk |
2006-10-13 MJD 54021.4 |
2024-11-07 MJD 60621.0 |
2025-01-29 |
Unchanged |
| Jodrell Bank Roach |
T2runtime/clock/jbroach2jb.clk |
2006-10-13 MJD 54021.4 |
2018-03-20 MJD 58197.6 |
2025-01-29 |
Unchanged |
| Jodrell Bank DFB |
T2runtime/clock/jbdfb2jb.clk |
2006-10-13 MJD 54021.4 |
2017-05-11 MJD 57884.0 |
2025-01-29 |
Unchanged |
| Meerkat (observatory) |
T2runtime/clock/mk2utc_observatory.clk |
2019-01-01 MJD 58484.0 |
2025-01-08 MJD 60684.0 |
2025-01-29 |
Updated |
| Leap seconds |
tempo/clock/leap.sec |
1972-07-01 MJD 41499.0 |
2017-01-01 MJD 57754.0 |
2025-02-04 |
Unchanged |
| UT1 table |
tempo/clock/ut1.dat |
1973-01-02 MJD 41684.0 |
2026-02-07 MJD 61078.0 |
2025-02-04 |
Unchanged |
| UT1 table |
T2runtime/clock/ut1.dat |
1973-01-02 MJD 41684.0 |
2026-02-07 MJD 61078.0 |
2025-02-04 |
Unchanged |
Files that should be static
| Name |
File |
Corrections start |
Corrections end |
Last check date |
Last check result |
| Arecibo |
tempo/clock/time_ao.dat |
1982-11-29 MJD 45302.8 |
2020-08-18 MJD 59079.0 |
2022-05-26 |
Updated |
| Arecibo (TEMPO2 converted from TEMPO) |
T2runtime/clock/ao2gps.clk |
1996-03-13 MJD 50155.0 |
2020-08-18 MJD 59079.0 |
2022-06-01 |
Static |
| Arecibo (TEMPO2) |
T2runtime/clock/ao2gps_tempo2.clk |
1996-03-13 MJD 50155.0 |
2019-12-18 MJD 58835.0 |
2022-05-26 |
Unchanged |
| Arecibo to NIST (TEMPO2) |
T2runtime/clock/ao2nist.clk |
1982-11-29 MJD 45302.8 |
1994-11-29 MJD 49685.4 |
2022-05-26 |
Unchanged |
| GB140 |
tempo/clock/time_gb140.dat |
1993-11-29 MJD 49320.5 |
1999-07-31 MJD 51390.5 |
2022-06-01 |
Updated |
| GB853 |
tempo/clock/time_gb853.dat |
1997-07-04 MJD 50634.0 |
1997-08-28 MJD 50688.4 |
2022-06-01 |
Unchanged |
| CHIME |
T2runtime/clock/chime2gps.clk |
— |
— |
2022-06-20 |
Static |
| GMRT |
T2runtime/clock/gmrt2gps.clk |
— |
— |
2022-06-01 |
Static |
| TAI to TT(BIPM2023) |
T2runtime/clock/tai2tt_bipm2023.clk |
1975-06-26 MJD 42589.0 |
2026-09-26 MJD 61309.0 |
2024-05-09 |
Static |
| TAI to TT(BIPM2022) |
T2runtime/clock/tai2tt_bipm2022.clk |
1975-06-26 MJD 42589.0 |
2025-09-21 MJD 60939.0 |
2023-12-01 |
Static |
| TAI to TT(BIPM2021) |
T2runtime/clock/tai2tt_bipm2021.clk |
1975-06-26 MJD 42589.0 |
2024-09-26 MJD 60579.0 |
2022-06-13 |
Static |
| TAI to TT(BIPM2020) |
T2runtime/clock/tai2tt_bipm2020.clk |
1975-06-26 MJD 42589.0 |
2023-09-22 MJD 60209.0 |
2022-06-13 |
Static |
| TAI to TT(BIPM2019) |
T2runtime/clock/tai2tt_bipm2019.clk |
1975-06-26 MJD 42589.0 |
2022-10-27 MJD 59879.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2018) |
T2runtime/clock/tai2tt_bipm2018.clk |
1975-06-26 MJD 42589.0 |
2018-12-27 MJD 58479.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2017) |
T2runtime/clock/tai2tt_bipm2017.clk |
1975-06-26 MJD 42589.0 |
2020-10-17 MJD 59139.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2016) |
T2runtime/clock/tai2tt_bipm2016.clk |
1982-01-10 MJD 44979.0 |
2019-10-23 MJD 58779.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2015) |
T2runtime/clock/tai2tt_bipm2015.clk |
1975-06-26 MJD 42589.0 |
2015-12-23 MJD 57379.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2014) |
T2runtime/clock/tai2tt_bipm2014.clk |
1975-06-26 MJD 42589.0 |
2014-12-28 MJD 57019.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2013) |
T2runtime/clock/tai2tt_bipm2013.clk |
1975-06-26 MJD 42589.0 |
2013-12-23 MJD 56649.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2012) |
T2runtime/clock/tai2tt_bipm2012.clk |
1975-06-26 MJD 42589.0 |
2013-12-23 MJD 56649.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2011) |
T2runtime/clock/tai2tt_bipm2011.clk |
1975-06-26 MJD 42589.0 |
2012-12-28 MJD 56289.0 |
2022-12-23 |
Updated |
| TAI to TT(BIPM2010) |
T2runtime/clock/tai2tt_bipm2010.clk |
1975-06-26 MJD 42589.0 |
2010-12-24 MJD 55554.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM06) |
T2runtime/clock/tai2tt_bipm06.clk |
1975-06-26 MJD 42589.0 |
2006-12-20 MJD 54089.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM05) |
T2runtime/clock/tai2tt_bipm05.clk |
1975-06-26 MJD 42589.0 |
2005-12-15 MJD 53719.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2004) |
T2runtime/clock/tai2tt_bipm2004.clk |
1975-06-26 MJD 42589.0 |
2004-08-12 MJD 53229.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM2003) |
T2runtime/clock/tai2tt_bipm2003.clk |
1975-06-26 MJD 42589.0 |
2003-07-19 MJD 52839.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM01) |
T2runtime/clock/tai2tt_bipm01.clk |
1975-06-26 MJD 42589.0 |
2000-12-11 MJD 51889.0 |
2022-06-13 |
Unchanged |
| TAI to TT(BIPM92) |
T2runtime/clock/tai2tt_bipm92.clk |
1975-06-26 MJD 42589.0 |
1991-12-19 MJD 48609.0 |
2022-06-13 |
Unchanged |
Files that require manual updates
| Name |
File |
Corrections start |
Corrections end |
Last check date |
Last check result |
| GPS to UTC (TEMPO2) |
T2runtime/clock/gps2utc_tempo2.clk |
1996-03-27 MJD 50169.0 |
2022-10-27 MJD 59879.0 |
2025-01-29 |
Failed to download |
| GBT (TEMPO2) |
T2runtime/clock/gbt2gps_tempo2.clk |
2000-12-31 MJD 51909.5 |
2020-02-25 MJD 58904.5 |
2025-01-29 |
Unchanged |
| Jodrell Bank (TEMPO) |
tempo/clock/time_jb.dat |
2006-10-13 MJD 54021.4 |
2019-05-13 MJD 58616.2 |
2025-01-29 |
Unchanged |
| VLA |
tempo/clock/time_vla.dat |
1990-10-27 MJD 48191.2 |
2021-03-07 MJD 59280.5 |
2025-01-29 |
Unchanged |
| VLA (TEMPO2) |
T2runtime/clock/vla2gps.clk |
2015-02-01 MJD 57054.6 |
2021-03-07 MJD 59280.5 |
2025-01-29 |
Unchanged |
| VLA to NIST |
T2runtime/clock/vla2nist.clk |
1990-10-27 MJD 48191.2 |
1993-11-13 MJD 49304.0 |
2025-01-29 |
Unchanged |
| FAST |
tempo/clock/time_fast.dat |
2017-07-27 MJD 57961.0 |
2025-01-27 MJD 60703.0 |
2025-01-29 |
Updated |
| WSRT |
T2runtime/clock/wsrt2gps.clk |
1999-01-01 MJD 51179.5 |
2015-06-29 MJD 57202.1 |
2025-01-29 |
Unchanged |
| WSRT (TEMPO) |
tempo/clock/time_wsrt.dat |
1987-07-24 MJD 47000.0 |
2007-12-24 MJD 54458.0 |
2025-01-29 |
Validation failed |
| Parkes |
T2runtime/clock/pks2gps.clk |
1858-11-17 MJD 0.0 |
2024-11-30 MJD 60644.1 |
2025-01-29 |
Unchanged |
| Parkes (TEMPO) |
tempo/clock/time_pks.dat |
1979-05-07 MJD 44000.0 |
2011-07-03 MJD 55745.8 |
2025-01-29 |
Validation failed |
| SRT |
T2runtime/clock/srt2gps.clk |
2013-03-20 MJD 56371.0 |
2019-12-11 MJD 58828.0 |
2025-01-29 |
Unchanged |
| Effelsberg |
T2runtime/clock/eff2gps.clk |
1993-11-29 MJD 49320.0 |
2015-06-22 MJD 57195.5 |
2025-01-29 |
Unchanged |
| Effelsberg Asterix/PSRix |
T2runtime/clock/effix2gps.clk |
2011-01-01 MJD 55562.5 |
2021-03-21 MJD 59294.5 |
2025-01-29 |
Unchanged |
| LEAP |
T2runtime/clock/leap2effix.clk |
2012-10-29 MJD 56230.0 |
2014-03-04 MJD 56720.0 |
2025-01-29 |
Unchanged |
| NUPPI |
tempo/clock/time_nuppi.dat |
2005-03-07 MJD 53436.0 |
2015-11-08 MJD 57334.6 |
2025-01-29 |
Unchanged |
| Meerkat (TEMPO2) |
T2runtime/clock/mk2utc.clk |
2019-01-01 MJD 58484.0 |
2024-09-23 MJD 60576.9 |
2025-01-29 |
Unchanged |
| MOST |
T2runtime/clock/mo2gps.clk |
2003-12-27 MJD 53000.0 |
2018-09-06 MJD 58367.0 |
2025-01-29 |
Unchanged |
| Nancay to obspm |
T2runtime/clock/ncyobs2obspm.clk |
1988-05-18 MJD 47299.6 |
2023-10-27 MJD 60244.0 |
2025-01-29 |
Unchanged |
| obspm |
T2runtime/clock/obspm2gps.clk |
2003-12-01 MJD 52974.0 |
2023-10-27 MJD 60244.0 |
2025-01-29 |
Unchanged |