Someone made a post about why watches take so long from Guangzhou:
1 Jan - New Year's Day
2-3 Jan - New Year's Holiday
4-28 Jan - Covid Lockdown
29-30 Jan - Special Working Day
31 Jan - Spring Festival Eve
1 Feb - Chinese New Year
2-6 Feb - Spring Festival Golden Week
7-14 Feb - Covid Lockdown
15 Feb - Lantern Festival
16 Feb - 3 Mar - Covid Lockdown
4 Mar - Zhonghe Festival
5-7 Mar Covid Lockdown
8 Mar - International Women's Day
9-11 Mar - Covid Lockdown
12 Mar - Arbor Day
13-19 Mar - Covid Lockdown
20 Mar - March Equinox
21 Mar - 2 Apr - Covid Lockdown
3-5 Apr - Qing Ming Jie
6-23 Apr - Covid Lockdown
24 Apr - Special Working Day
25-29 Apr - Covid Lockdown
30 Apr - 4 May- Labour Day Holiday
5-6 May - Covid Lockdown
7 May - Special Working Day
8-31 May - Covid Lockdown
1 Jun - Children's Day
2 Jun - Replica Watch Manufacturing Day
3-5 Jun - Dragon Boat Festival
6-21 Jun - Covid Lockdown
21 Jun - June Solstice
22-30 Jun - Covid Lockdown
1 Jul - CPC Founding Day
2-10 Jul - Covid Lockdown
11 Jul - Maritime Day
12-31 Jul - Covid Lockdown
1 Aug - Army Day
2-3 Aug - Covid Lockdown
4 Aug - Chinese Valentine's Day
5-11 Aug - Covid Lockdown
12 Aug - Spirit Festival
13 Aug - 9 Sep - Covid Lockdown
10-12 Sep - Mid-Autumn Festival
13-22 Sep - Covid Lockdown
23 Sep - September Equinox
24-30 Sep - Covid Lockdown
1 Oct - National Day
2-7 Oct - National Day Golden Week
8-9 Oct - Special Working Day
10 Oct - 30 Nov - Trusted Dealers Rest Period (rofl)
1-21 Dec - Covid Lockdown
22 Dec - December Solstice
23-24 Dec - No recorded holidays, GL this buying period
25 Dec - Christmas Day
26-30 Dec - Covid Lockdown
31 Dec - New Years' Eve
Reference:
https://www.reddit.com/r/RepTime/comments/ua4fra/holidays_in_china_a_quick_list_of_when_not_to/