{"id":"vidhyamitra:city-day:ayodhya:2155-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2155-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-09-18","date_display":"September 18, 2155 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":2155,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508417.770833,"kali_year":5257,"ahargana":1919952.2708,"sun":{"sidereal_longitude":147.8164,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.6982,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.8818,"elapsed_within_tithi_degrees":10.8818},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.6982,"elapsed_within_degrees":10.6982},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.5146},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2155,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508417.770833,"ahargana":1919952.2708,"kali_year":5257,"ayanamsa_lahiri":26.0282,"grahas":{"sun":{"sidereal_longitude":148.92215199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":52.52745199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":4.4173},"mars":{"sidereal_longitude":206.38985200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":129.127752,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":69.67975200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":166.28705200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":135.208552,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":331.6892,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":151.6892,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2155,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508417.770833,"kali_year":5257,"ahargana":1919952.2708,"sun":{"sidereal_longitude":147.8164,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":50.6982,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.8818,"elapsed_within_tithi_degrees":10.8818},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.6982,"elapsed_within_degrees":10.6982},"yoga":{"number":15,"name":"Vajra","sum_longitude":198.5146},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.417,"elongation":97.118},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.417,"opposition_distance":82.882}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-1.019,"opposition_distance":2.063}]},"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":"05:47","sunsetLocal":"18:02","solarNoonLocal":"11:55","dayLengthHours":12.25972467606205,"dayLengthDisplay":"12 Hours 15 Mins 35 Secs","nightLengthDisplay":"11 Hours 44 Mins 25 Secs","moonriseLocal":"22:37","moonsetLocal":"12:21","rahuKala":{"name":"Rāhu Kāla","start":"13:27","end":"14:58","startHours":13.442031881613186,"endHours":14.97449746612094,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:19","startHours":5.779703959074404,"endHours":7.3121695435821605,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:51","end":"10:23","startHours":8.844635128089916,"endHours":10.377100712597674,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.640306383488882,"endHours":9.048963872690951,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.29052582057699,"endHours":6.617451811938645,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:19","startHours":11.50090880790336,"endHours":12.318223786307497,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"04:58","startHours":4.145074002266131,"endHours":4.9623889806702675,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:47","startHours":4.758060236069234,"endHours":5.779703959074404,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.95285374311577,"endHours":14.770168721519907,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.839428635136453,"endHours":18.239428635136452,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:33","startHours":18.039428635136453,"endHours":18.550250496639038,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.789428635136453,"endHours":19.539428635136453,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:19","startHours":23.50090880790336,"endHours":24.318223786307495,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:19","startHours":5.779703959074404,"endHours":7.3121695435821605,"quality":"auspicious"},{"name":"Roga","start":"07:19","end":"08:51","startHours":7.3121695435821605,"endHours":8.844635128089916,"quality":"inauspicious"},{"name":"Udveg","start":"08:51","end":"10:23","startHours":8.844635128089916,"endHours":10.377100712597674,"quality":"inauspicious"},{"name":"Chala","start":"10:23","end":"11:55","startHours":10.377100712597674,"endHours":11.909566297105428,"quality":"neutral"},{"name":"Labha","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.442031881613186,"quality":"auspicious"},{"name":"Amṛta","start":"13:27","end":"14:58","startHours":13.442031881613186,"endHours":14.97449746612094,"quality":"auspicious"},{"name":"Kāla","start":"14:58","end":"16:30","startHours":14.97449746612094,"endHours":16.5069630506287,"quality":"inauspicious"},{"name":"Śubha","start":"16:30","end":"18:02","startHours":16.5069630506287,"endHours":18.039428635136453,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:02","end":"19:30","startHours":18.039428635136453,"endHours":19.5069630506287,"quality":"auspicious"},{"name":"Kāla","start":"19:30","end":"20:58","startHours":19.5069630506287,"endHours":20.97449746612094,"quality":"inauspicious"},{"name":"Śubha","start":"20:58","end":"22:27","startHours":20.97449746612094,"endHours":22.442031881613183,"quality":"auspicious"},{"name":"Roga","start":"22:27","end":"23:55","startHours":22.442031881613183,"endHours":23.909566297105428,"quality":"inauspicious"},{"name":"Udveg","start":"23:55","end":"01:23","startHours":23.909566297105428,"endHours":25.377100712597674,"quality":"inauspicious"},{"name":"Chala","start":"01:23","end":"02:51","startHours":25.377100712597674,"endHours":26.844635128089916,"quality":"neutral"},{"name":"Labha","start":"02:51","end":"04:19","startHours":26.844635128089916,"endHours":28.312169543582158,"quality":"auspicious"},{"name":"Amṛta","start":"04:19","end":"05:47","startHours":28.312169543582158,"endHours":29.779703959074403,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.779703959074404,"endHours":6.779703959074404,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.779703959074404,"endHours":7.779703959074404,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.779703959074404,"endHours":8.779703959074403,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.779703959074403,"endHours":9.779703959074403,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.779703959074403,"endHours":10.779703959074403,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.779703959074403,"endHours":11.779703959074403,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.779703959074403,"endHours":12.779703959074403,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.779703959074403,"endHours":13.779703959074403,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.779703959074403,"endHours":14.779703959074403,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.779703959074403,"endHours":15.779703959074403,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.779703959074403,"endHours":16.779703959074403,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.779703959074403,"endHours":17.779703959074403,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.779703959074403,"endHours":18.779703959074403,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.779703959074403,"endHours":19.779703959074403,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.779703959074403,"endHours":20.779703959074403,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.779703959074403,"endHours":21.779703959074403,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.779703959074403,"endHours":22.779703959074403,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.779703959074403,"endHours":23.779703959074403,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.779703959074403,"endHours":24.779703959074403,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.779703959074403,"endHours":25.779703959074403,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.779703959074403,"endHours":26.779703959074403,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.779703959074403,"endHours":27.779703959074403,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.779703959074403,"endHours":28.779703959074403,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.779703959074403,"endHours":29.779703959074403,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.00621984233861,"eotMinutes":6.610022173674397,"ayanamsa":26.0282}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 18, 2155 CE · Ayodhyā · Vidhyamitra","description":"September 18, 2155 CE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 05:47, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2155-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2155-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2155-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2155-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/2155-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T09:47:37.870Z","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":"2026-05-19T09:47:37.870Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T09:47:37.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}