{"id":"vidhyamitra:city-day:ayodhya:2009-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2009-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-09-13","date_display":"September 13, 2009 CE","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":2009,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455087.770833,"kali_year":5111,"ahargana":1866622.2708,"sun":{"sidereal_longitude":145.6578,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":70.3002,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.6424,"elapsed_within_tithi_degrees":8.6424},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.3002,"elapsed_within_degrees":3.6335},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.9579},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2009,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455087.770833,"ahargana":1866622.2708,"kali_year":5111,"ayanamsa_lahiri":23.9885,"grahas":{"sun":{"sidereal_longitude":146.40375,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":68.70105000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":2.0461},"mars":{"sidereal_longitude":77.21165000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":160.50445000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":294.96405000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":116.75745,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":150.17525,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":277.3693,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":97.3693,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"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":2009,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455087.770833,"kali_year":5111,"ahargana":1866622.2708,"sun":{"sidereal_longitude":145.6578,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":70.3002,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.6424,"elapsed_within_tithi_degrees":8.6424},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.3002,"elapsed_within_degrees":3.6335},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.9579},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.046,"elongation":75.358},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.046,"opposition_distance":104.642}},"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":"05:45","sunsetLocal":"18:08","solarNoonLocal":"11:56","dayLengthHours":12.38158267497775,"dayLengthDisplay":"12 Hours 22 Mins 54 Secs","nightLengthDisplay":"11 Hours 37 Mins 06 Secs","moonriseLocal":"23:52","moonsetLocal":"13:39","rahuKala":{"name":"Rāhu Kāla","start":"16:35","end":"18:08","startHours":16.583595654285556,"endHours":18.131293488657775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.488199985541119,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:35","startHours":15.035897819913338,"endHours":16.583595654285556,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.638746771174834,"endHours":9.051466193674093,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.265610091804099,"endHours":6.595785629803506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:21","startHours":11.527782728669642,"endHours":12.353221573668158,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:55","startHours":4.098833123682993,"endHours":4.924271968681509,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:45","startHours":4.71791225743188,"endHours":5.749710813680026,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:50","startHours":14.004099263665193,"endHours":14.82953810866371,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.931293488657776,"endHours":18.331293488657774,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:39","startHours":18.131293488657775,"endHours":18.64719276678185,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.881293488657775,"endHours":19.631293488657775,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:21","startHours":23.527782728669642,"endHours":24.353221573668158,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:45","end":"07:18","startHours":5.749710813680026,"endHours":7.297408648052245,"quality":"inauspicious"},{"name":"Chala","start":"07:18","end":"08:51","startHours":7.297408648052245,"endHours":8.845106482424463,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:24","startHours":8.845106482424463,"endHours":10.392804316796681,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"11:56","startHours":10.392804316796681,"endHours":11.9405021511689,"quality":"auspicious"},{"name":"Kāla","start":"11:56","end":"13:29","startHours":11.9405021511689,"endHours":13.488199985541119,"quality":"inauspicious"},{"name":"Śubha","start":"13:29","end":"15:02","startHours":13.488199985541119,"endHours":15.035897819913338,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:35","startHours":15.035897819913338,"endHours":16.583595654285556,"quality":"inauspicious"},{"name":"Udveg","start":"16:35","end":"18:08","startHours":16.583595654285556,"endHours":18.131293488657775,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:08","end":"19:35","startHours":18.131293488657775,"endHours":19.583595654285556,"quality":"auspicious"},{"name":"Roga","start":"19:35","end":"21:02","startHours":19.583595654285556,"endHours":21.035897819913338,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:29","startHours":21.035897819913338,"endHours":22.48819998554112,"quality":"inauspicious"},{"name":"Chala","start":"22:29","end":"23:56","startHours":22.48819998554112,"endHours":23.9405021511689,"quality":"neutral"},{"name":"Labha","start":"23:56","end":"01:24","startHours":23.9405021511689,"endHours":25.39280431679668,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:51","startHours":25.39280431679668,"endHours":26.845106482424463,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:18","startHours":26.845106482424463,"endHours":28.297408648052244,"quality":"inauspicious"},{"name":"Śubha","start":"04:18","end":"05:45","startHours":28.297408648052244,"endHours":29.749710813680025,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.749710813680026,"endHours":6.749710813680026,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.749710813680026,"endHours":7.749710813680026,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.749710813680026,"endHours":8.749710813680025,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.749710813680025,"endHours":9.749710813680025,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.749710813680025,"endHours":10.749710813680025,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.749710813680025,"endHours":11.749710813680025,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.749710813680025,"endHours":12.749710813680025,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.749710813680025,"endHours":13.749710813680025,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.749710813680025,"endHours":14.749710813680025,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.749710813680025,"endHours":15.749710813680025,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.749710813680025,"endHours":16.749710813680025,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.749710813680025,"endHours":17.749710813680025,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.749710813680025,"endHours":18.749710813680025,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.749710813680025,"endHours":19.749710813680025,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.749710813680025,"endHours":20.749710813680025,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.749710813680025,"endHours":21.749710813680025,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.749710813680025,"endHours":22.749710813680025,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.749710813680025,"endHours":23.749710813680025,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.749710813680025,"endHours":24.749710813680025,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.749710813680025,"endHours":25.749710813680025,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.749710813680025,"endHours":26.749710813680025,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.749710813680025,"endHours":27.749710813680025,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.749710813680025,"endHours":28.749710813680025,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.749710813680025,"endHours":29.749710813680025,"planetary_lord":"Jupiter"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.8062296328098975,"eotMinutes":4.753870929866006,"ayanamsa":23.9885}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Navamī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"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 13, 2009 CE · Ayodhyā · Vidhyamitra","description":"September 13, 2009 CE for Ayodhyā: Kṛṣṇa Navamī, sūryodaya 05:45, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2009-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2009-09-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2009-09-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2009-09-13","x-default":"https://vidhyamitra.com/city/ayodhya/2009-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:57:22.900Z","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":"2026-05-31T02:57:22.900Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:57:22.900Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}