朱利安时间戳转日期格式
import datetime
# 朱利安时间戳15706
date = datetime.datetime(1950, 1, 1) + datetime.timedelta(15706)
time_str = date.strftime('%Y%m%d') # 19930101
# time_str = date.strftime('%Y-%m-%d') # 1993-01-01
print(time_str) # 19930101
日期格式转朱利安时间戳
import datetime
# 日期19930101
time_str = str(19930101)
time = datetime.date(int(time_str[0:4]), int(time_str[4:6]), int(time_str[6:8]))
print(time) # 1993-01-01
TimeJuliAn = (time - datetime.date(1950, 1, 1)).days
print(TimeJuliAn) # 朱利安时间戳15706