"Date number" refers to the number of days that have passed since a particular starting point or reference date. It helps in keeping track of the chronological order of events or the passage of time.
Sentences with «date number»
Warm and friendly chats at Phone dating numbers free. (rockchat.org)
Unlimited dating and chats on Phone dating numbers free. (rock-on.mobi)
After dating a number of people and we don't have the outcome we want, it can be frustrating. (datinggoddess.com)