Your passport should have the expiration date on it.
Yes, you have to have your passport photo signed even if it is a passport renewal.
Regional passport offices are open on Sundays. For passport renewal, just like new passport application, the applicant must be physically present in the passport office.
renewal of passport
The Passport Number - at the top right corner of your passport.
About $91 US.
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No. The DFA passport appointment system is only for Pasay branch only.
Yes, however, it is not a requirement to show up, you can just send the passport renewal application and documents by Mail. However, if you intend to expedite it or rush it, you need to be there in person.
yes
Passport renewal should not be the cause for unexpected travel delays. Check the expiration date printed on your passport before finalizing travel plans. Applications for passport renewal that are sent by mail are typically processed within 4 to 6 weeks. Expedited service may be available for a fee if a passport is needed sooner. Individuals that are behind on their child support payments may be unable to renew their passport until the delinquency is resolved.
That depends on what country is issuing the passport. The USA has one set of requirements that differs from Germany, and Thailand, Mexico and Argentinia have their own rules. Please reask and be more specific in your question. Example: "What are the photo requirements to apply for an Australian passport?"