{"id":"vidhyamitra:city-day:ayodhya:-3130-09-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3130-09-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3130-09-30","date_display":"September 30, 3131 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3130,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":578097.770833,"kali_year":-28,"ahargana":-10367.7292,"sun":{"sidereal_longitude":220.1162,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":191.123,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.0069,"elapsed_within_tithi_degrees":7.0069},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.123,"elapsed_within_degrees":4.4564},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.2392},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-3130,"month":9,"day":30,"hour":6,"minute":30,"calendar":"julian"},"julian_day":578097.770833,"ahargana":-10367.7292,"kali_year":-28,"ayanamsa_lahiri":-47.7993,"grahas":{"sun":{"sidereal_longitude":220.1162,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":191.123,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-0.1405},"mars":{"sidereal_longitude":290.0363,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":215.6768,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":215.168,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":256.4417,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":2.3621,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":9.3322,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.3322,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3130,"month":9,"day":30,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":578097.770833,"kali_year":-28,"ahargana":-10367.7292,"sun":{"sidereal_longitude":220.1162,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":191.123,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.0069,"elapsed_within_tithi_degrees":7.0069},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.123,"elapsed_within_degrees":4.4564},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.2392},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.14,"elongation":28.993},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.14,"opposition_distance":151.007}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:40","sunsetLocal":"18:00","solarNoonLocal":"11:50","dayLengthHours":12.330185608721214,"dayLengthDisplay":"12 Hours 19 Mins 49 Secs","nightLengthDisplay":"11 Hours 40 Mins 11 Secs","moonriseLocal":"03:23","moonsetLocal":"16:25","rahuKala":{"name":"Rāhu Kāla","start":"13:23","end":"14:55","startHours":13.380261929173727,"endHours":14.921535130263878,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:40","end":"07:13","startHours":5.673895923722968,"endHours":7.21516912481312,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:45","end":"10:18","startHours":8.756442325903272,"endHours":10.297715526993423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:58","startHours":8.550939232424586,"endHours":8.961945419381959,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:11","end":"06:31","startHours":6.187653657419686,"endHours":6.5164586069855845,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:15","startHours":11.4279825411262,"endHours":12.249994915040949,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:02","end":"04:51","startHours":4.029871175893473,"endHours":4.851883549808221,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:40","startHours":4.646380456329534,"endHours":5.673895923722968,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:43","startHours":13.894019662870443,"endHours":14.71603203678519,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.804081532444183,"endHours":18.20408153244418,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:31","startHours":18.004081532444182,"endHours":18.5178392661409,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.754081532444182,"endHours":19.504081532444182,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:15","startHours":23.4279825411262,"endHours":24.249994915040947,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:40","end":"07:13","startHours":5.673895923722968,"endHours":7.21516912481312,"quality":"auspicious"},{"name":"Roga","start":"07:13","end":"08:45","startHours":7.21516912481312,"endHours":8.756442325903272,"quality":"inauspicious"},{"name":"Udveg","start":"08:45","end":"10:18","startHours":8.756442325903272,"endHours":10.297715526993423,"quality":"inauspicious"},{"name":"Chala","start":"10:18","end":"11:50","startHours":10.297715526993423,"endHours":11.838988728083574,"quality":"neutral"},{"name":"Labha","start":"11:50","end":"13:23","startHours":11.838988728083574,"endHours":13.380261929173727,"quality":"auspicious"},{"name":"Amṛta","start":"13:23","end":"14:55","startHours":13.380261929173727,"endHours":14.921535130263878,"quality":"auspicious"},{"name":"Kāla","start":"14:55","end":"16:28","startHours":14.921535130263878,"endHours":16.462808331354033,"quality":"inauspicious"},{"name":"Śubha","start":"16:28","end":"18:00","startHours":16.462808331354033,"endHours":18.004081532444182,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:00","end":"19:28","startHours":18.004081532444182,"endHours":19.46280833135403,"quality":"auspicious"},{"name":"Kāla","start":"19:28","end":"20:55","startHours":19.46280833135403,"endHours":20.92153513026388,"quality":"inauspicious"},{"name":"Śubha","start":"20:55","end":"22:23","startHours":20.92153513026388,"endHours":22.380261929173727,"quality":"auspicious"},{"name":"Roga","start":"22:23","end":"23:50","startHours":22.380261929173727,"endHours":23.838988728083574,"quality":"inauspicious"},{"name":"Udveg","start":"23:50","end":"01:18","startHours":23.838988728083574,"endHours":25.29771552699342,"quality":"inauspicious"},{"name":"Chala","start":"01:18","end":"02:45","startHours":25.29771552699342,"endHours":26.756442325903272,"quality":"neutral"},{"name":"Labha","start":"02:45","end":"04:13","startHours":26.756442325903272,"endHours":28.21516912481312,"quality":"auspicious"},{"name":"Amṛta","start":"04:13","end":"05:40","startHours":28.21516912481312,"endHours":29.673895923722966,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.673895923722968,"endHours":6.673895923722968,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.673895923722968,"endHours":7.673895923722968,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.673895923722968,"endHours":8.673895923722968,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.673895923722968,"endHours":9.673895923722968,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.673895923722968,"endHours":10.673895923722968,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.673895923722968,"endHours":11.673895923722968,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.673895923722968,"endHours":12.673895923722968,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.673895923722968,"endHours":13.673895923722968,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.673895923722968,"endHours":14.673895923722968,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.673895923722968,"endHours":15.673895923722968,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.673895923722968,"endHours":16.673895923722966,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.673895923722966,"endHours":17.673895923722966,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.673895923722966,"endHours":18.673895923722966,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.673895923722966,"endHours":19.673895923722966,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.673895923722966,"endHours":20.673895923722966,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.673895923722966,"endHours":21.673895923722966,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.673895923722966,"endHours":22.673895923722966,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.673895923722966,"endHours":23.673895923722966,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.673895923722966,"endHours":24.673895923722966,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.673895923722966,"endHours":25.673895923722966,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.673895923722966,"endHours":26.673895923722966,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.673895923722966,"endHours":27.673895923722966,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.673895923722966,"endHours":28.673895923722966,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.673895923722966,"endHours":29.673895923722966,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.048106012936269,"eotMinutes":10.844676314985584,"ayanamsa":-47.7993}},"calendars":{"vikram_samvat":-3073,"saka_samvat":-3208,"bengali_samvat":-3723,"malayalam_era":-3954,"nanakshahi_year":-4599,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Trayodaśī · Vikram -3073 undefined · Śaka -3208 undefined"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 30, 3131 BCE · Ayodhyā · Vidhyamitra","description":"September 30, 3131 BCE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 05:40, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3130-09-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3130-09-30","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3130-09-30","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3130-09-30","x-default":"https://vidhyamitra.com/city/ayodhya/-3130-09-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T12:15:32.993Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-02T12:15:32.993Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T12:15:32.993Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}