formatTrueSolarTime static method
格式化真太阳时为字符串
Implementation
static String formatTrueSolarTime(DateTime trueSolarTime) {
return "${trueSolarTime.hour.toString().padLeft(2, '0')}:"
"${trueSolarTime.minute.toString().padLeft(2, '0')}:"
"${trueSolarTime.second.toString().padLeft(2, '0')}";
}