n อwฦพznอwฬึWอฎล^ฆ็๊้B
scaFพznอw(Solar system barycentric dynamical time)
scsFn อw(Terrestrial dynamical time:TDT)
@@@@n iTerrestrial Time:ssjฦเฤิ
lA Fn EdSฬฝฯ฿_ฃp
F~b