set itn to false for timestamp problem (#1088)

zhaomingwork

2023-11-14 8ceb2662f95d6e9185a00b7ccbff3ee596d46342

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p m    p.m.
pm    p.m.
p.m.
p.m    p.m.
am    a.m.
a.m.
a.m    a.m.
a m    a.m.