20 17 is there a spring tide in Yan Guan, Haining 10? Tide observation time in Yan Guan is in 10 month.

On the fifteenth day of the lunar calendar every month: [spring: 1 1:45 (tide) at 23:40 (sunset)] [summer: 1 1:30 (tide) at 23:20 (sunset)] [autumn: 65433]

Lunar calendar 1 6th,1day: [spring: 12: 15 (tide) 0: 10 (sunset)] [summer:1/kloc-0]

On the 17th and 2nd day of the lunar calendar every month: [Spring: 12:48 (tide) 0:43 (sunset)] [Summer: 12:25 (tide) 0: 10 (sunset)] [Autumn:/kloc-0]

Tide-watching time in Haining:

1, on the day of tidal observation, even the local tidal observation forecast time may not be accurate, so we must wait for the tide 40 minutes in advance so as not to miss the opportunity.

2. Tidal observation points:

On the fifteenth day of the lunar calendar every month: [spring: 1 1:45 (tide) at 23:40 (sunset)] [summer: 1 1:30 (tide) at 23:20 (sunset)] [autumn: 65433]

Lunar calendar 1 6th,1day: [spring: 12: 15 (tide) 0: 10 (sunset)] [summer:1/kloc-0]

On the 17th and 2nd day of the lunar calendar every month: [Spring: 12:48 (tide) 0:43 (sunset)] [Summer: 12:25 (tide) 0: 10 (sunset)] [Autumn:/kloc-0]