3-Month ΔT (TDB − UTC) Table
Centered on the Current Month 2025-April
Built Around The NASA/JPL Horizons API v1.2
PHP Program by Jay Tanner - 2025
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********************************************** Three-Month Delta T (TDB − UTC) Table Centered on the Current Month (2025-April). From : 2025-Mar-01 00:00:00 UTC To : 2025-Jun-01 00:00:00 UTC At : 00:00:00 UTC on each date Where : TDB = UTC + Delta T : UTC = TDB − Delta T ============================================== Calendar Date Delta T = (TDB − UTC) =============== ============================= 2025-Mar-01-Sat +69.185361s +01m 09.185361s 2025-Mar-02-Sun +69.185377s +01m 09.185377s 2025-Mar-03-Mon +69.185392s +01m 09.185392s 2025-Mar-04-Tue +69.185407s +01m 09.185407s 2025-Mar-05-Wed +69.185422s +01m 09.185422s 2025-Mar-06-Thu +69.185436s +01m 09.185436s 2025-Mar-07-Fri +69.185449s +01m 09.185449s 2025-Mar-08-Sat +69.185462s +01m 09.185462s 2025-Mar-09-Sun +69.185475s +01m 09.185475s 2025-Mar-10-Mon +69.185487s +01m 09.185487s 2025-Mar-11-Tue +69.185498s +01m 09.185498s 2025-Mar-12-Wed +69.185509s +01m 09.185509s 2025-Mar-13-Thu +69.185519s +01m 09.185519s 2025-Mar-14-Fri +69.185529s +01m 09.185529s 2025-Mar-15-Sat +69.185539s +01m 09.185539s 2025-Mar-16-Sun +69.185548s +01m 09.185548s 2025-Mar-17-Mon +69.185556s +01m 09.185556s 2025-Mar-18-Tue +69.185565s +01m 09.185565s 2025-Mar-19-Wed +69.185572s +01m 09.185572s 2025-Mar-20-Thu +69.185580s +01m 09.185580s 2025-Mar-21-Fri +69.185587s +01m 09.185587s 2025-Mar-22-Sat +69.185593s +01m 09.185593s 2025-Mar-23-Sun +69.185599s +01m 09.185599s 2025-Mar-24-Mon +69.185605s +01m 09.185605s 2025-Mar-25-Tue +69.185610s +01m 09.185610s 2025-Mar-26-Wed +69.185615s +01m 09.185615s 2025-Mar-27-Thu +69.185619s +01m 09.185619s 2025-Mar-28-Fri +69.185623s +01m 09.185623s 2025-Mar-29-Sat +69.185627s +01m 09.185627s 2025-Mar-30-Sun +69.185630s +01m 09.185630s 2025-Mar-31-Mon +69.185632s +01m 09.185632s 2025-Apr-01-Tue +69.185634s +01m 09.185634s 2025-Apr-02-Wed +69.185636s +01m 09.185636s 2025-Apr-03-Thu +69.185637s +01m 09.185637s 2025-Apr-04-Fri +69.185637s +01m 09.185637s 2025-Apr-05-Sat +69.185637s +01m 09.185637s 2025-Apr-06-Sun +69.185636s +01m 09.185636s 2025-Apr-07-Mon +69.185635s +01m 09.185635s 2025-Apr-08-Tue +69.185633s +01m 09.185633s 2025-Apr-09-Wed +69.185631s +01m 09.185631s 2025-Apr-10-Thu +69.185628s +01m 09.185628s 2025-Apr-11-Fri +69.185625s +01m 09.185625s 2025-Apr-12-Sat +69.185621s +01m 09.185621s 2025-Apr-13-Sun +69.185616s +01m 09.185616s 2025-Apr-14-Mon +69.185612s +01m 09.185612s 2025-Apr-15-Tue +69.185606s +01m 09.185606s 2025-Apr-16-Wed +69.185601s +01m 09.185601s 2025-Apr-17-Thu +69.185595s +01m 09.185595s 2025-Apr-18-Fri +69.185588s +01m 09.185588s 2025-Apr-19-Sat +69.185581s +01m 09.185581s 2025-Apr-20-Sun +69.185574s +01m 09.185574s 2025-Apr-21-Mon +69.185566s +01m 09.185566s 2025-Apr-22-Tue +69.185558s +01m 09.185558s 2025-Apr-23-Wed +69.185549s +01m 09.185549s 2025-Apr-24-Thu +69.185540s +01m 09.185540s 2025-Apr-25-Fri +69.185531s +01m 09.185531s 2025-Apr-26-Sat +69.185521s +01m 09.185521s 2025-Apr-27-Sun +69.185511s +01m 09.185511s 2025-Apr-28-Mon +69.185501s +01m 09.185501s 2025-Apr-29-Tue +69.185490s +01m 09.185490s 2025-Apr-30-Wed +69.185478s +01m 09.185478s 2025-May-01-Thu +69.185466s +01m 09.185466s 2025-May-02-Fri +69.185454s +01m 09.185454s 2025-May-03-Sat +69.185441s +01m 09.185441s 2025-May-04-Sun +69.185428s +01m 09.185428s 2025-May-05-Mon +69.185414s +01m 09.185414s 2025-May-06-Tue +69.185400s +01m 09.185400s 2025-May-07-Wed +69.185385s +01m 09.185385s 2025-May-08-Thu +69.185370s +01m 09.185370s 2025-May-09-Fri +69.185354s +01m 09.185354s 2025-May-10-Sat +69.185338s +01m 09.185338s 2025-May-11-Sun +69.185322s +01m 09.185322s 2025-May-12-Mon +69.185305s +01m 09.185305s 2025-May-13-Tue +69.185287s +01m 09.185287s 2025-May-14-Wed +69.185270s +01m 09.185270s 2025-May-15-Thu +69.185252s +01m 09.185252s 2025-May-16-Fri +69.185233s +01m 09.185233s 2025-May-17-Sat +69.185215s +01m 09.185215s 2025-May-18-Sun +69.185196s +01m 09.185196s 2025-May-19-Mon +69.185177s +01m 09.185177s 2025-May-20-Tue +69.185157s +01m 09.185157s 2025-May-21-Wed +69.185138s +01m 09.185138s 2025-May-22-Thu +69.185118s +01m 09.185118s 2025-May-23-Fri +69.185097s +01m 09.185097s 2025-May-24-Sat +69.185077s +01m 09.185077s 2025-May-25-Sun +69.185056s +01m 09.185056s 2025-May-26-Mon +69.185035s +01m 09.185035s 2025-May-27-Tue +69.185014s +01m 09.185014s 2025-May-28-Wed +69.184992s +01m 09.184992s 2025-May-29-Thu +69.184971s +01m 09.184971s 2025-May-30-Fri +69.184948s +01m 09.184948s 2025-May-31-Sat +69.184926s +01m 09.184926s 2025-Jun-01-Sun +69.184903s +01m 09.184903s ***********************************************
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