How Can You Find Out Your Exact Time of Birth?

To find out your exact time of birth, start with a long-form copy of your birth certificate from the vital records office in the state where you were born. The standard birth certificate includes a dedicated time-of-birth field next to the date, but only the full long-form version shows it; the short-form or “abstract” copy most people carry for ID strips that detail out. If the long-form doesn’t have it either, your birth hospital’s medical records are the next best source, followed by family keepsakes and digitized archives.

Look at the Birth Certificate You Already Have

Pull out whatever birth certificate you own and check near the top, next to the date of birth, for a time field. If there’s nothing there, you almost certainly have a short-form version. State vital records offices base their certificates on the U.S. Standard Certificate of Live Birth, which has a time-of-birth field alongside the date and sex of the child, so a full-length copy will usually show it.

One caveat: whether the time appears depends on whether the hospital recorded it in the first place. For hospital births over the past several decades, it almost always was. Home births and births in very small facilities are less reliable.

How to Order a Long-Form Birth Certificate

Submit the request to the vital records office in the state where you were born. You’ll need:

  • Your full name at birth
  • Date of birth
  • Place of birth (city and county)
  • Both parents’ full names

Ask specifically for the long-form or full-length certificate. The short version is the default in some states, and it’s the one that will leave the time off.

Most offices accept requests online, by mail, or in person. A certified copy runs roughly $10 to $34 depending on the state, with additional copies usually costing less. Third-party online vendors typically charge $20 to $60 once their fees are added. Processing takes a few business days for in-person or online orders and several weeks by mail. Expedited service is available in most states for an extra fee.

Request Your Hospital Records

If the long-form certificate still doesn’t list a time, go to the hospital where you were born. Delivery room records almost always document the exact minute as part of standard medical charting.

Contact the hospital’s medical records or health information department and submit a written request with your name, date of birth, and any patient ID number you have. Under federal privacy law, you have the right to access your own protected health information held by a covered provider. The hospital has to act on the request within 30 days, and can take a one-time 30-day extension only if it notifies you in writing of the delay and the reason.1eCFR. 45 CFR 164.524 – Access of Individuals to Protected Health Information A reasonable copying and mailing fee is allowed.

The real obstacle is record retention. Most states require hospitals to keep records for at least five to ten years from the date of service, with longer periods for records belonging to minors. If you were born 40 or 50 years ago, the file may have been destroyed, archived off-site, or moved to microfilm. Ask anyway. Some hospitals and health systems kept records far longer than the minimum, especially if they digitized early.

Ask Family and Search Keepsakes

Parents are the obvious starting point, but grandparents, aunts, uncles, and older siblings who were at the hospital sometimes remember details parents forgot. Ask about the time specifically rather than posing an open-ended “what do you remember” question. People who think they recall nothing will often surprise themselves once they start talking through the day.

Then look for things your family wrote down. Baby books, family Bibles, scrapbooks, and personal journals are the usual places. Many parents jotted the time next to weight and length in a baby book that hasn’t been opened in decades. Old photo albums sometimes have handwritten notes on the backs of newborn pictures. None of this is official, but it’s often accurate and immediately available.

Genealogy Databases and Newspaper Archives

Digitized records have made this search much easier than it used to be. FamilySearch, a free genealogy database run by the Church of Jesus Christ of Latter-day Saints, hosts millions of digitized vital records from the United States and abroad. You can search by name, date, and parents’ names. Not every record includes a time, but many original long-form certificates and hospital registries do, and searching and viewing records on FamilySearch.org is free.

Newspaper birth announcements are another underused resource. Especially before the 1980s, local papers routinely published announcements with the baby’s name, parents, date, and sometimes the exact time of birth. Newspapers.com is the largest commercial archive, with subscription-based search across thousands of digitized papers. The Library of Congress offers a free alternative through its Chronicling America project, which covers historical newspapers from 1777 through the mid-20th century. Your local public library may also subscribe to newspaper databases you can access free with a library card.

If You Were Adopted

Adoption makes this harder. When an adoption is finalized, courts in most states seal the original birth certificate and issue an amended one listing the adoptive parents. The amended certificate often omits the time of birth, and access to the sealed original varies dramatically by state.

A growing number of states now allow adult adoptees unrestricted access to their original birth certificate; others still require a court order or route access through an intermediary. If your state grants direct access, request a copy from vital records and it should include whatever was on the original, time of birth included. If your state restricts access, you may need to petition the court that handled your adoption to unseal the record. Your adoptive parents may also have hospital discharge paperwork from the time of placement that notes the time.

Adding the Time to Your Birth Certificate

If you track down your birth time through hospital records or other documentation and want it reflected on your official certificate, most states let you amend it. Adding a missing detail is generally treated as a minor correction. The process typically involves submitting an amendment application to the vital records office with supporting evidence (such as a hospital record showing the time) and paying a fee, usually $15 to $25.

Some states handle minor amendments administratively; others require a court order even for small additions. Contact your state’s vital records office for the specific requirements. Without documentary evidence of the time, the amendment will be hard to get, because most states require some form of supporting proof.

When the Time Simply Wasn’t Recorded

Sometimes it wasn’t written down. That’s more common with home births, births attended by midwives in earlier decades, births in rural areas with limited record-keeping, and births outside the United States. If official records, family memory, and digital archives all come up empty, there is likely no verified time to find. Astrological birth-time rectification, where an astrologer works backward from life events to estimate a time, doesn’t produce a factual record and shouldn’t be treated as one for any legal or official purpose. If the time wasn’t recorded, it isn’t available.