acceleration of sidereal on mean solar time
true solar time [= apparent solar time]
Time-Time-Time Switching Network TTT
discrete-time time-delay system
discrete-time time-delayed systems
space-time time-frequency-shift keying(ST-TFSK)
summit time low tide time and flat time of electric usage
solar calendar with 20 solar terms
Solar Energy and Solar Power Generation
true solar day [= apparent solar day]
actual time over standard time
apparent time=true time
calculating time by time