fix bug for timestamp inference

shixian.shi

2023-08-10 e740ec08b7f421dfab2905dc7049a0b341ba0611

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una    isa
pangalawang    dalawa
pangatlo    tatlo
ikaapat    apat
ikalimang    lima
ikaanim    ikaanim
ikapitong    pito
ikawalo    walo
ikasiyam    siyam