某年某月某日某时某分某秒
[mŏu nián mŏu yuè mŏu rì mŏu shí mŏu fēn mŏu miăo]
An exact moment or point in time (literally: 'a certain year, month, day, hour, minute, second') pinpointing specific events. Often used poetically for remembrance, such as recording memorable milestones or fleeting moments worthy of cherishing forever.