diff --git a/src/lib/req-parser.test.ts b/src/lib/req-parser.test.ts
index 1628410..fab8a38 100644
--- a/src/lib/req-parser.test.ts
+++ b/src/lib/req-parser.test.ts
@@ -391,26 +391,266 @@ describe("parseReqCommand", () => {
   });
 
   describe("time flags (--since, --until)", () => {
-    it("should parse unix timestamp for --since", () => {
-      const result = parseReqCommand(["--since", "1234567890"]);
-      expect(result.filter.since).toBe(1234567890);
+    describe("unix timestamps", () => {
+      it("should parse unix timestamp for --since", () => {
+        const result = parseReqCommand(["--since", "1234567890"]);
+        expect(result.filter.since).toBe(1234567890);
+      });
+
+      it("should parse unix timestamp for --until", () => {
+        const result = parseReqCommand(["--until", "1234567890"]);
+        expect(result.filter.until).toBe(1234567890);
+      });
     });
 
-    it("should parse relative time for --since (hours)", () => {
-      const result = parseReqCommand(["--since", "2h"]);
-      expect(result.filter.since).toBeDefined();
-      expect(result.filter.since).toBeGreaterThan(0);
+    describe("relative time - seconds (s)", () => {
+      it("should parse seconds for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "30s"]);
+        expect(result.filter.since).toBeDefined();
+        expect(result.filter.since).toBeGreaterThan(now - 35);
+        expect(result.filter.since).toBeLessThan(now - 25);
+      });
+
+      it("should parse 1 second for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1s"]);
+        expect(result.filter.since).toBeDefined();
+        expect(result.filter.since).toBeGreaterThan(now - 5);
+        expect(result.filter.since).toBeLessThan(now + 1);
+      });
+
+      it("should parse seconds for --until", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--until", "30s"]);
+        expect(result.filter.until).toBeDefined();
+        expect(result.filter.until).toBeGreaterThan(now - 35);
+        expect(result.filter.until).toBeLessThan(now - 25);
+      });
     });
 
-    it("should parse relative time for --since (days)", () => {
-      const result = parseReqCommand(["--since", "7d"]);
-      expect(result.filter.since).toBeDefined();
-      expect(result.filter.since).toBeGreaterThan(0);
+    describe("relative time - minutes (m)", () => {
+      it("should parse minutes for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "30m"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(1795); // 30m - 5s
+        expect(diff).toBeLessThan(1805); // 30m + 5s
+      });
+
+      it("should parse 1 minute for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1m"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(55); // 1m - 5s
+        expect(diff).toBeLessThan(65); // 1m + 5s
+      });
     });
 
-    it("should parse unix timestamp for --until", () => {
-      const result = parseReqCommand(["--until", "1234567890"]);
-      expect(result.filter.until).toBe(1234567890);
+    describe("relative time - hours (h)", () => {
+      it("should parse hours for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "2h"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(7195); // 2h - 5s
+        expect(diff).toBeLessThan(7205); // 2h + 5s
+      });
+
+      it("should parse 24 hours for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "24h"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(86395); // 24h - 5s
+        expect(diff).toBeLessThan(86405); // 24h + 5s
+      });
+    });
+
+    describe("relative time - days (d)", () => {
+      it("should parse days for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "7d"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(604795); // 7d - 5s
+        expect(diff).toBeLessThan(604805); // 7d + 5s
+      });
+
+      it("should parse 1 day for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1d"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(86395); // 1d - 5s
+        expect(diff).toBeLessThan(86405); // 1d + 5s
+      });
+    });
+
+    describe("relative time - weeks (w)", () => {
+      it("should parse weeks for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "2w"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(1209595); // 2w - 5s
+        expect(diff).toBeLessThan(1209605); // 2w + 5s
+      });
+
+      it("should parse 1 week for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1w"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        expect(diff).toBeGreaterThan(604795); // 1w - 5s
+        expect(diff).toBeLessThan(604805); // 1w + 5s
+      });
+    });
+
+    describe("relative time - months (mo)", () => {
+      it("should parse months for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "3mo"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        // 3 months = 7776000 seconds (90 days)
+        expect(diff).toBeGreaterThan(7775995); // 3mo - 5s
+        expect(diff).toBeLessThan(7776005); // 3mo + 5s
+      });
+
+      it("should parse 1 month for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1mo"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        // 1 month = 2592000 seconds (30 days)
+        expect(diff).toBeGreaterThan(2591995); // 1mo - 5s
+        expect(diff).toBeLessThan(2592005); // 1mo + 5s
+      });
+    });
+
+    describe("relative time - years (y)", () => {
+      it("should parse years for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "4y"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        // 4 years = 126144000 seconds (1460 days)
+        expect(diff).toBeGreaterThan(126143995); // 4y - 5s
+        expect(diff).toBeLessThan(126144005); // 4y + 5s
+      });
+
+      it("should parse 1 year for --since", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "1y"]);
+        expect(result.filter.since).toBeDefined();
+        const diff = now - result.filter.since!;
+        // 1 year = 31536000 seconds (365 days)
+        expect(diff).toBeGreaterThan(31535995); // 1y - 5s
+        expect(diff).toBeLessThan(31536005); // 1y + 5s
+      });
+    });
+
+    describe("special keyword - now", () => {
+      it("should parse 'now' for --since", () => {
+        const before = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "now"]);
+        const after = Math.floor(Date.now() / 1000);
+
+        expect(result.filter.since).toBeDefined();
+        expect(result.filter.since).toBeGreaterThanOrEqual(before);
+        expect(result.filter.since).toBeLessThanOrEqual(after);
+      });
+
+      it("should parse 'now' for --until", () => {
+        const before = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--until", "now"]);
+        const after = Math.floor(Date.now() / 1000);
+
+        expect(result.filter.until).toBeDefined();
+        expect(result.filter.until).toBeGreaterThanOrEqual(before);
+        expect(result.filter.until).toBeLessThanOrEqual(after);
+      });
+
+      it("should be case-insensitive for 'now'", () => {
+        const result1 = parseReqCommand(["--since", "NOW"]);
+        const result2 = parseReqCommand(["--since", "Now"]);
+        const result3 = parseReqCommand(["--since", "now"]);
+
+        expect(result1.filter.since).toBeDefined();
+        expect(result2.filter.since).toBeDefined();
+        expect(result3.filter.since).toBeDefined();
+      });
+
+      it("should work with other filters", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["-k", "1", "--since", "7d", "--until", "now"]);
+
+        expect(result.filter.kinds).toEqual([1]);
+        expect(result.filter.since).toBeLessThan(now);
+        expect(result.filter.until).toBeGreaterThanOrEqual(now - 1);
+        expect(result.filter.until).toBeLessThanOrEqual(now + 1);
+      });
+    });
+
+    describe("invalid time formats", () => {
+      it("should return undefined for invalid time format", () => {
+        const result = parseReqCommand(["--since", "invalid"]);
+        expect(result.filter.since).toBeUndefined();
+      });
+
+      it("should return undefined for time unit without number", () => {
+        const result = parseReqCommand(["--since", "h"]);
+        expect(result.filter.since).toBeUndefined();
+      });
+
+      it("should return undefined for unsupported unit", () => {
+        const result = parseReqCommand(["--since", "5x"]);
+        expect(result.filter.since).toBeUndefined();
+      });
+
+      it("should return undefined for negative time", () => {
+        const result = parseReqCommand(["--since", "-5h"]);
+        expect(result.filter.since).toBeUndefined();
+      });
+    });
+
+    describe("combined time flags", () => {
+      it("should parse both --since and --until", () => {
+        const result = parseReqCommand([
+          "--since",
+          "7d",
+          "--until",
+          "1d",
+          "-k",
+          "1",
+        ]);
+        expect(result.filter.since).toBeDefined();
+        expect(result.filter.until).toBeDefined();
+        expect(result.filter.since).toBeLessThan(result.filter.until!);
+        expect(result.filter.kinds).toEqual([1]);
+      });
+
+      it("should work with unix timestamps for time range", () => {
+        const result = parseReqCommand([
+          "--since",
+          "1600000000",
+          "--until",
+          "1700000000",
+        ]);
+        expect(result.filter.since).toBe(1600000000);
+        expect(result.filter.until).toBe(1700000000);
+      });
+
+      it("should work with mixed relative and unix timestamps", () => {
+        const now = Math.floor(Date.now() / 1000);
+        const result = parseReqCommand(["--since", "7d", "--until", "1234567890"]);
+        expect(result.filter.since).toBeDefined();
+        expect(result.filter.since).toBeLessThan(now);
+        expect(result.filter.until).toBe(1234567890);
+      });
     });
   });
 
diff --git a/src/lib/req-parser.ts b/src/lib/req-parser.ts
index dadf5bc..1d79c05 100644
--- a/src/lib/req-parser.ts
+++ b/src/lib/req-parser.ts
@@ -410,18 +410,24 @@ function isRelayDomain(value: string): boolean {
 }
 
 /**
- * Parse timestamp - supports unix timestamp, relative time (1h, 30m, 7d)
+ * Parse timestamp - supports unix timestamp, relative time (1s, 30m, 2h, 7d, 2w, 3mo, 1y), or "now"
  */
 function parseTimestamp(value: string): number | null {
   if (!value) return null;
 
+  // Special keyword: "now" - current timestamp
+  if (value.toLowerCase() === "now") {
+    return Math.floor(Date.now() / 1000);
+  }
+
   // Unix timestamp (10 digits)
   if (/^\d{10}$/.test(value)) {
     return parseInt(value, 10);
   }
 
-  // Relative time: 1h, 30m, 7d, 2w
-  const relativeMatch = value.match(/^(\d+)([smhdw])$/);
+  // Relative time: 30s, 1m, 2h, 7d, 2w, 3mo, 1y
+  // Note: Using alternation to support multi-character units like "mo"
+  const relativeMatch = value.match(/^(\d+)(s|m|h|d|w|mo|y)$/);
   if (relativeMatch) {
     const amount = parseInt(relativeMatch[1], 10);
     const unit = relativeMatch[2];
@@ -433,6 +439,8 @@ function parseTimestamp(value: string): number | null {
       h: 3600,
       d: 86400,
       w: 604800,
+      mo: 2592000, // 30 days (approximate month)
+      y: 31536000, // 365 days (approximate year)
     };
 
     return now - amount * multipliers[unit];
diff --git a/src/types/man.ts b/src/types/man.ts
index 6d5a3dc..938a9d2 100644
--- a/src/types/man.ts
+++ b/src/types/man.ts
@@ -200,12 +200,12 @@ export const manPages: Record<string, ManPageEntry> = {
       {
         flag: "--since <time>",
         description:
-          "Events after timestamp (unix timestamp or relative: 1h, 30m, 7d)",
+          "Events after timestamp (unix timestamp, relative: 30s, 1m, 2h, 7d, 2w, 3mo, 1y, or 'now')",
       },
       {
         flag: "--until <time>",
         description:
-          "Events before timestamp (unix timestamp or relative: 1h, 30m, 7d)",
+          "Events before timestamp (unix timestamp, relative: 30s, 1m, 2h, 7d, 2w, 3mo, 1y, or 'now')",
       },
       {
         flag: "--search <text>",
@@ -231,6 +231,9 @@ export const manPages: Record<string, ManPageEntry> = {
       "req -k 1 -a npub1...,npub2...        Get notes from multiple authors (balances across outbox relays)",
       "req -a $me                           Get all your events (queries your outbox relays)",
       "req -k 1 -a $contacts --since 24h    Get notes from contacts (queries their outbox relays)",
+      "req -k 1 -a $contacts --since 7d     Get notes from contacts in last week",
+      "req -k 1 -a $contacts --since 3mo    Get notes from contacts in last 3 months",
+      "req -k 1 -a $contacts --since 1y     Get notes from contacts in last year",
       "req -p $me -k 1,7                    Get replies and reactions to you (queries your inbox relays)",
       "req -k 1 -a $me -a $contacts         Get notes from you and contacts",
       "req -k 9735 -p $me --since 7d        Get zaps you received (queries your inbox)",
@@ -238,6 +241,7 @@ export const manPages: Record<string, ManPageEntry> = {
       "req -k 9735 -P $contacts             Get zaps sent by your contacts",
       "req -k 1 -p verbiricha@habla.news    Get notes mentioning user (queries their inbox)",
       "req -k 1 --since 1h relay.damus.io   Get notes from last hour (manual relay override)",
+      "req -k 1 --since 7d --until now      Get notes from last week up to now",
       "req -k 1 --close-on-eose             Get recent notes and close after EOSE",
       "req -t nostr,bitcoin -l 50           Get 50 events tagged #nostr or #bitcoin",
       "req --tag a 30023:abc...:article     Get events referencing addressable event (#a tag)",