PAD_FMT_HMS
pt = _conv(t->tm_hour, fmt_padding[PAD_FMT_HMS][PadIndex],
fmt_padding[PAD_FMT_HMS][PadIndex],
pt = _conv(t->tm_min, fmt_padding[PAD_FMT_HMS][PadIndex],
pt = _conv(t->tm_sec, fmt_padding[PAD_FMT_HMS][PadIndex],