Complete list of PHP time parameters

a - "am" or "pm"
A - "AM" or "PM"
d - Day, two digits, if there are less than two digits, add zero in front; such as: "01" to "31"
D - day of the week, three English letters; such as: "Fri"
F - month, full English name; such as: "January"
h - hour in 12-hour format; such as: "01" to "12"
H - hour in 24-hour format; such as: "00" to "23"
g - hour in 12-hour format, do not add zeros if there are less than two digits; such as: "1" to 12"
G - hour in 24-hour format, less than 2 digits Do not add zeros to the two digits; such as: "0" to "23"
i - minutes; such as: "00" to "59"
j - days, two digits, if there are less than two digits, do not add zeros; such as: " 1" to "31"
l - day of the week, full English name; such as: "Friday"
m - month, two digits, if there are less than two digits, add zeros in front; such as: "01" to "12"
n - month, two digits, if there are less than two digits, no zero will be added; such as: "1" to "12"
M - month, three English letters; such as: "Jan"
s - seconds; such as: "00 " to "59"
S - add an English ordinal number at the end of the word, two English letters; such as: "th", "nd"
t - the number of days in the specified month; such as: "28" to "31"
U - total seconds Number
w - Numeric day of the week, such as: "0" (Sunday) to "6" (Saturday)
Y - Year, four digits; such as: "1999"
y - Year, two digits; such as: "99"
z - the day of the year; such as: "0" to "365"